author | blanchet |
Wed, 12 Dec 2012 00:14:58 +0100 | |
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child 50485 | 3c6ac2da2f45 |
permissions | -rw-r--r-- |
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(* Title: HOL/Tools/Sledgehammer/sledgehammer_fact.ML |
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Author: Jia Meng, Cambridge University Computer Laboratory and NICTA |
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Author: Jasmin Blanchette, TU Muenchen |
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Sledgehammer fact handling. |
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*) |
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signature SLEDGEHAMMER_FACT = |
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sig |
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type status = ATP_Problem_Generate.status |
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type stature = ATP_Problem_Generate.stature |
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type fact = ((unit -> string) * stature) * thm |
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type fact_override = |
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{add : (Facts.ref * Attrib.src list) list, |
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del : (Facts.ref * Attrib.src list) list, |
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only : bool} |
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val ignore_no_atp : bool Config.T |
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val instantiate_inducts : bool Config.T |
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val no_fact_override : fact_override |
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val fact_from_ref : |
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Proof.context -> unit Symtab.table -> thm list -> status Termtab.table |
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-> Facts.ref * Attrib.src list -> ((string * stature) * thm) list |
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val backquote_thm : Proof.context -> thm -> string |
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val clasimpset_rule_table_of : Proof.context -> status Termtab.table |
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val normalize_eq : term -> term |
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val maybe_instantiate_inducts : |
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Proof.context -> term list -> term -> (((unit -> string) * 'a) * thm) list |
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-> (((unit -> string) * 'a) * thm) list |
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val maybe_filter_no_atps : Proof.context -> ('a * thm) list -> ('a * thm) list |
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val all_facts : |
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Proof.context -> bool -> bool -> unit Symtab.table -> thm list -> thm list |
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-> status Termtab.table -> fact list |
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val nearly_all_facts : |
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Proof.context -> bool -> fact_override -> unit Symtab.table |
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-> status Termtab.table -> thm list -> term list -> term -> fact list |
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end; |
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structure Sledgehammer_Fact : SLEDGEHAMMER_FACT = |
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struct |
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open ATP_Problem_Generate |
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open Metis_Tactic |
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open Sledgehammer_Util |
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type fact = ((unit -> string) * stature) * thm |
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type fact_override = |
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{add : (Facts.ref * Attrib.src list) list, |
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del : (Facts.ref * Attrib.src list) list, |
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only : bool} |
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(* experimental features *) |
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val ignore_no_atp = |
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Attrib.setup_config_bool @{binding sledgehammer_ignore_no_atp} (K false) |
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val instantiate_inducts = |
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Attrib.setup_config_bool @{binding sledgehammer_instantiate_inducts} (K false) |
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val no_fact_override = {add = [], del = [], only = false} |
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fun needs_quoting reserved s = |
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Symtab.defined reserved s orelse |
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exists (not o Symbol_Pos.is_identifier) (Long_Name.explode s) |
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fun make_name reserved multi j name = |
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(name |> needs_quoting reserved name ? quote) ^ |
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(if multi then "(" ^ string_of_int j ^ ")" else "") |
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fun explode_interval _ (Facts.FromTo (i, j)) = i upto j |
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| explode_interval max (Facts.From i) = i upto i + max - 1 |
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| explode_interval _ (Facts.Single i) = [i] |
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val backquote = |
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raw_explode #> map (fn "`" => "\\`" | s => s) #> implode #> enclose "`" "`" |
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(* unfolding these can yield really huge terms *) |
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val risky_defs = @{thms Bit0_def Bit1_def} |
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fun is_rec_eq lhs = Term.exists_subterm (curry (op =) (head_of lhs)) |
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fun is_rec_def (@{const Trueprop} $ t) = is_rec_def t |
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| is_rec_def (@{const ==>} $ _ $ t2) = is_rec_def t2 |
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| is_rec_def (Const (@{const_name "=="}, _) $ t1 $ t2) = is_rec_eq t1 t2 |
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| is_rec_def (Const (@{const_name HOL.eq}, _) $ t1 $ t2) = is_rec_eq t1 t2 |
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| is_rec_def _ = false |
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fun is_assum assms th = exists (fn ct => prop_of th aconv term_of ct) assms |
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fun is_chained chained = member Thm.eq_thm_prop chained |
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fun scope_of_thm global assms chained th = |
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if is_chained chained th then Chained |
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else if global then Global |
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else if is_assum assms th then Assum |
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else Local |
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val may_be_induction = |
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exists_subterm (fn Var (_, Type (@{type_name fun}, [_, T])) => |
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body_type T = @{typ bool} |
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| _ => false) |
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fun status_of_thm css name th = |
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(* FIXME: use structured name *) |
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if (String.isSubstring ".induct" name orelse |
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String.isSubstring ".inducts" name) andalso |
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may_be_induction (prop_of th) then |
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Induction |
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else case Termtab.lookup css (prop_of th) of |
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SOME status => status |
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| NONE => General |
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fun stature_of_thm global assms chained css name th = |
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(scope_of_thm global assms chained th, status_of_thm css name th) |
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fun fact_from_ref ctxt reserved chained css (xthm as (xref, args)) = |
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let |
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val ths = Attrib.eval_thms ctxt [xthm] |
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val bracket = |
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map (enclose "[" "]" o Pretty.str_of o Args.pretty_src ctxt) args |
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|> implode |
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fun nth_name j = |
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122 |
case xref of |
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Facts.Fact s => backquote s ^ bracket |
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| Facts.Named (("", _), _) => "[" ^ bracket ^ "]" |
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| Facts.Named ((name, _), NONE) => |
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make_name reserved (length ths > 1) (j + 1) name ^ bracket |
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127 |
| Facts.Named ((name, _), SOME intervals) => |
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make_name reserved true |
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129 |
(nth (maps (explode_interval (length ths)) intervals) j) name ^ |
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130 |
bracket |
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fun add_nth th (j, rest) = |
132 |
let val name = nth_name j in |
|
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(j + 1, ((name, stature_of_thm false [] chained css name th), th) |
|
134 |
:: rest) |
|
135 |
end |
|
136 |
in (0, []) |> fold add_nth ths |> snd end |
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137 |
|
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138 |
(* Reject theorems with names like "List.filter.filter_list_def" or |
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139 |
"Accessible_Part.acc.defs", as these are definitions arising from packages. *) |
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140 |
fun is_package_def a = |
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let val names = Long_Name.explode a in |
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(length names > 2 andalso not (hd names = "local") andalso |
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String.isSuffix "_def" a) orelse String.isSuffix "_defs" a |
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144 |
end |
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145 |
|
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146 |
(* FIXME: put other record thms here, or declare as "no_atp" *) |
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147 |
fun multi_base_blacklist ctxt ho_atp = |
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148 |
["defs", "select_defs", "update_defs", "split", "splits", "split_asm", |
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"ext_cases", "eq.simps", "eq.refl", "nchotomy", "case_cong", |
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150 |
"weak_case_cong", "nibble_pair_of_char_simps", "nibble.simps", |
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151 |
"nibble.distinct"] |
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152 |
|> not (ho_atp orelse (Config.get ctxt instantiate_inducts)) ? |
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append ["induct", "inducts"] |
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|> map (prefix Long_Name.separator) |
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155 |
|
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156 |
val max_lambda_nesting = 3 (*only applies if not ho_atp*) |
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157 |
|
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158 |
fun term_has_too_many_lambdas max (t1 $ t2) = |
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159 |
exists (term_has_too_many_lambdas max) [t1, t2] |
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160 |
| term_has_too_many_lambdas max (Abs (_, _, t)) = |
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max = 0 orelse term_has_too_many_lambdas (max - 1) t |
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162 |
| term_has_too_many_lambdas _ _ = false |
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163 |
|
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164 |
(* Don't count nested lambdas at the level of formulas, since they are |
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165 |
quantifiers. *) |
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fun formula_has_too_many_lambdas Ts (Abs (_, T, t)) = |
167 |
formula_has_too_many_lambdas (T :: Ts) t |
|
168 |
| formula_has_too_many_lambdas Ts t = |
|
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169 |
if member (op =) [HOLogic.boolT, propT] (fastype_of1 (Ts, t)) then |
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exists (formula_has_too_many_lambdas Ts) (#2 (strip_comb t)) |
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171 |
else |
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172 |
term_has_too_many_lambdas max_lambda_nesting t |
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173 |
|
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174 |
(* The max apply depth of any "metis" call in "Metis_Examples" (on 2007-10-31) |
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175 |
was 11. *) |
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176 |
val max_apply_depth = 15 |
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177 |
|
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178 |
fun apply_depth (f $ t) = Int.max (apply_depth f, apply_depth t + 1) |
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179 |
| apply_depth (Abs (_, _, t)) = apply_depth t |
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180 |
| apply_depth _ = 0 |
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181 |
|
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182 |
fun is_formula_too_complex ho_atp t = |
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apply_depth t > max_apply_depth orelse |
184 |
(not ho_atp andalso formula_has_too_many_lambdas [] t) |
|
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185 |
|
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186 |
(* FIXME: Ad hoc list *) |
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187 |
val technical_prefixes = |
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188 |
["ATP", "Code_Evaluation", "DSequence", "Enum", "Lazy_Sequence", "Meson", |
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189 |
"Metis", "Nitpick", "New_DSequence", "New_Random_Sequence", "Quickcheck", |
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190 |
"Quickcheck_Exhaustive", "Quickcheck_Narrowing", "Random_Sequence", |
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191 |
"Sledgehammer", "SMT"] |
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192 |
|> map (suffix Long_Name.separator) |
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193 |
|
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194 |
fun has_technical_prefix s = |
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exists (fn pref => String.isPrefix pref s) technical_prefixes |
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val exists_technical_const = exists_Const (has_technical_prefix o fst) |
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197 |
|
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198 |
(* FIXME: make more reliable *) |
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199 |
val exists_low_level_class_const = |
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200 |
exists_Const (fn (s, _) => |
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201 |
s = @{const_name equal_class.equal} orelse |
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202 |
String.isSubstring (Long_Name.separator ^ "class" ^ Long_Name.separator) s) |
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203 |
|
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204 |
fun is_that_fact th = |
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205 |
String.isSuffix (Long_Name.separator ^ Obtain.thatN) (Thm.get_name_hint th) |
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206 |
andalso exists_subterm (fn Free (s, _) => s = Name.skolem Auto_Bind.thesisN |
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207 |
| _ => false) (prop_of th) |
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208 |
|
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fun is_likely_tautology_or_too_meta th = |
210 |
let |
|
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211 |
fun is_interesting_subterm (Const (s, _)) = |
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212 |
not (member (op =) atp_widely_irrelevant_consts s) |
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213 |
| is_interesting_subterm (Free _) = true |
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214 |
| is_interesting_subterm _ = false |
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fun is_boring_bool t = |
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216 |
not (exists_subterm is_interesting_subterm t) orelse |
48406 | 217 |
exists_type (exists_subtype (curry (op =) @{typ prop})) t |
218 |
fun is_boring_prop (@{const Trueprop} $ t) = is_boring_bool t |
|
219 |
| is_boring_prop (@{const "==>"} $ t $ u) = |
|
220 |
is_boring_prop t andalso is_boring_prop u |
|
221 |
| is_boring_prop (Const (@{const_name all}, _) $ (Abs (_, _, t)) $ u) = |
|
222 |
is_boring_prop t andalso is_boring_prop u |
|
223 |
| is_boring_prop (Const (@{const_name "=="}, _) $ t $ u) = |
|
224 |
is_boring_bool t andalso is_boring_bool u |
|
225 |
| is_boring_prop _ = true |
|
226 |
in |
|
227 |
is_boring_prop (prop_of th) andalso not (Thm.eq_thm_prop (@{thm ext}, th)) |
|
228 |
end |
|
229 |
||
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230 |
fun is_theorem_bad_for_atps ho_atp th = |
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231 |
is_likely_tautology_or_too_meta th orelse |
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232 |
let val t = prop_of th in |
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233 |
is_formula_too_complex ho_atp t orelse |
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234 |
exists_type type_has_top_sort t orelse exists_technical_const t orelse |
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235 |
exists_low_level_class_const t orelse is_that_fact th |
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236 |
end |
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237 |
|
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fun hackish_string_for_term ctxt = |
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239 |
with_vanilla_print_mode (Syntax.string_of_term ctxt) #> simplify_spaces |
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240 |
|
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241 |
(* This is a terrible hack. Free variables are sometimes coded as "M__" when |
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242 |
they are displayed as "M" and we want to avoid clashes with these. But |
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243 |
sometimes it's even worse: "Ma__" encodes "M". So we simply reserve all |
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244 |
prefixes of all free variables. In the worse case scenario, where the fact |
49981 | 245 |
won't be resolved correctly, the user can fix it manually, e.g., by giving a |
246 |
name to the offending fact. *) |
|
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247 |
fun all_prefixes_of s = |
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map (fn i => String.extract (s, 0, SOME i)) (1 upto size s - 1) |
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249 |
|
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250 |
fun close_form t = |
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(t, [] |> Term.add_free_names t |> maps all_prefixes_of) |
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|> fold (fn ((s, i), T) => fn (t', taken) => |
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let val s' = singleton (Name.variant_list taken) s in |
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((if fastype_of t' = HOLogic.boolT then HOLogic.all_const |
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else Logic.all_const) T |
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256 |
$ Abs (s', T, abstract_over (Var ((s, i), T), t')), |
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257 |
s' :: taken) |
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258 |
end) |
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(Term.add_vars t [] |> sort_wrt (fst o fst)) |
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|> fst |
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261 |
|
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fun backquote_term ctxt t = |
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t |> close_form |
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|> hackish_string_for_term ctxt |
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|> backquote |
266 |
||
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fun backquote_thm ctxt th = backquote_term ctxt (prop_of th) |
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268 |
|
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fun clasimpset_rule_table_of ctxt = |
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270 |
let |
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val thy = Proof_Context.theory_of ctxt |
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val atomize = HOLogic.mk_Trueprop o Object_Logic.atomize_term thy |
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273 |
fun add stature normalizers get_th = |
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274 |
fold (fn rule => |
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275 |
let |
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val th = rule |> get_th |
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val t = |
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th |> Thm.maxidx_of th > 0 ? zero_var_indexes |> prop_of |
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279 |
in |
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280 |
fold (fn normalize => Termtab.update (normalize t, stature)) |
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281 |
(I :: normalizers) |
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282 |
end) |
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283 |
val {safeIs, (* safeEs, *) hazIs, (* hazEs, *) ...} = |
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284 |
ctxt |> claset_of |> Classical.rep_cs |
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285 |
val intros = Item_Net.content safeIs @ Item_Net.content hazIs |
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286 |
(* Add once it is used: |
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287 |
val elims = |
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288 |
Item_Net.content safeEs @ Item_Net.content hazEs |
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289 |
|> map Classical.classical_rule |
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290 |
*) |
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291 |
val simps = ctxt |> simpset_of |> dest_ss |> #simps |
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292 |
val specs = ctxt |> Spec_Rules.get |
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293 |
val (rec_defs, nonrec_defs) = |
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294 |
specs |> filter (curry (op =) Spec_Rules.Equational o fst) |
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295 |
|> maps (snd o snd) |
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296 |
|> filter_out (member Thm.eq_thm_prop risky_defs) |
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297 |
|> List.partition (is_rec_def o prop_of) |
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298 |
val spec_intros = |
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299 |
specs |> filter (member (op =) [Spec_Rules.Inductive, |
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300 |
Spec_Rules.Co_Inductive] o fst) |
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301 |
|> maps (snd o snd) |
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302 |
in |
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|
303 |
Termtab.empty |> add Simp [atomize] snd simps |
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304 |
|> add Rec_Def [] I rec_defs |
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305 |
|> add Non_Rec_Def [] I nonrec_defs |
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306 |
(* Add once it is used: |
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307 |
|> add Elim [] I elims |
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|
308 |
*) |
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309 |
|> add Intro [] I intros |
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310 |
|> add Inductive [] I spec_intros |
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311 |
end |
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312 |
|
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313 |
fun normalize_eq (t as @{const Trueprop} |
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314 |
$ ((t0 as Const (@{const_name HOL.eq}, _)) $ t1 $ t2)) = |
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315 |
if Term_Ord.fast_term_ord (t1, t2) <> GREATER then t |
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316 |
else HOLogic.mk_Trueprop (t0 $ t2 $ t1) |
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317 |
| normalize_eq (t as @{const Trueprop} $ (@{const Not} |
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318 |
$ ((t0 as Const (@{const_name HOL.eq}, _)) $ t1 $ t2))) = |
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|
319 |
if Term_Ord.fast_term_ord (t1, t2) <> GREATER then t |
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320 |
else HOLogic.mk_Trueprop (HOLogic.mk_not (t0 $ t2 $ t1)) |
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|
321 |
| normalize_eq t = t |
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|
322 |
|
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|
323 |
fun uniquify xs = |
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|
324 |
Termtab.fold (cons o snd) |
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|
325 |
(fold (Termtab.default o `(normalize_eq o prop_of o snd)) xs |
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|
326 |
Termtab.empty) [] |
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|
327 |
|
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|
328 |
fun struct_induct_rule_on th = |
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|
329 |
case Logic.strip_horn (prop_of th) of |
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|
330 |
(prems, @{const Trueprop} |
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|
331 |
$ ((p as Var ((p_name, 0), _)) $ (a as Var (_, ind_T)))) => |
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|
332 |
if not (is_TVar ind_T) andalso length prems > 1 andalso |
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|
333 |
exists (exists_subterm (curry (op aconv) p)) prems andalso |
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|
334 |
not (exists (exists_subterm (curry (op aconv) a)) prems) then |
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|
335 |
SOME (p_name, ind_T) |
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|
336 |
else |
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|
337 |
NONE |
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|
338 |
| _ => NONE |
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|
339 |
|
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|
340 |
fun instantiate_induct_rule ctxt concl_prop p_name ((name, stature), th) ind_x = |
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|
341 |
let |
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|
342 |
fun varify_noninducts (t as Free (s, T)) = |
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|
343 |
if (s, T) = ind_x orelse can dest_funT T then t else Var ((s, 0), T) |
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344 |
| varify_noninducts t = t |
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|
345 |
val p_inst = |
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|
346 |
concl_prop |> map_aterms varify_noninducts |> close_form |
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|
347 |
|> lambda (Free ind_x) |
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348 |
|> hackish_string_for_term ctxt |
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|
349 |
in |
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|
350 |
((fn () => name () ^ "[where " ^ p_name ^ " = " ^ quote p_inst ^ "]", |
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|
351 |
stature), th |> read_instantiate ctxt [((p_name, 0), p_inst)]) |
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|
352 |
end |
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|
353 |
|
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|
354 |
fun type_match thy (T1, T2) = |
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changeset
|
355 |
(Sign.typ_match thy (T2, T1) Vartab.empty; true) |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
356 |
handle Type.TYPE_MATCH => false |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
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parents:
diff
changeset
|
357 |
|
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
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parents:
diff
changeset
|
358 |
fun instantiate_if_induct_rule ctxt stmt stmt_xs (ax as (_, th)) = |
1065c307fafe
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blanchet
parents:
diff
changeset
|
359 |
case struct_induct_rule_on th of |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
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parents:
diff
changeset
|
360 |
SOME (p_name, ind_T) => |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
361 |
let val thy = Proof_Context.theory_of ctxt in |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
362 |
stmt_xs |> filter (fn (_, T) => type_match thy (T, ind_T)) |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
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parents:
diff
changeset
|
363 |
|> map_filter (try (instantiate_induct_rule ctxt stmt p_name ax)) |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
364 |
end |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
365 |
| NONE => [ax] |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
366 |
|
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
367 |
fun external_frees t = |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
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parents:
diff
changeset
|
368 |
[] |> Term.add_frees t |> filter_out (can Name.dest_internal o fst) |
1065c307fafe
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blanchet
parents:
diff
changeset
|
369 |
|
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
370 |
fun maybe_instantiate_inducts ctxt hyp_ts concl_t = |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
371 |
if Config.get ctxt instantiate_inducts then |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
372 |
let |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
373 |
val thy = Proof_Context.theory_of ctxt |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
374 |
val ind_stmt = |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
375 |
(hyp_ts |> filter_out (null o external_frees), concl_t) |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
376 |
|> Logic.list_implies |> Object_Logic.atomize_term thy |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
377 |
val ind_stmt_xs = external_frees ind_stmt |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
378 |
in maps (instantiate_if_induct_rule ctxt ind_stmt ind_stmt_xs) end |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
379 |
else |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
380 |
I |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
381 |
|
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
382 |
fun maybe_filter_no_atps ctxt = |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
383 |
not (Config.get ctxt ignore_no_atp) ? filter_out (No_ATPs.member ctxt o snd) |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
384 |
|
50442
4f6a4d32522c
don't blacklist "case" theorems -- this causes problems in MaSh later
blanchet
parents:
50239
diff
changeset
|
385 |
fun all_facts ctxt really_all ho_atp reserved add_ths chained css = |
48251
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
386 |
let |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
387 |
val thy = Proof_Context.theory_of ctxt |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
388 |
val global_facts = Global_Theory.facts_of thy |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
389 |
val local_facts = Proof_Context.facts_of ctxt |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
390 |
val named_locals = local_facts |> Facts.dest_static [] |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
391 |
val assms = Assumption.all_assms_of ctxt |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
392 |
fun is_good_unnamed_local th = |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
393 |
not (Thm.has_name_hint th) andalso |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
394 |
forall (fn (_, ths) => not (member Thm.eq_thm_prop ths th)) named_locals |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
395 |
val unnamed_locals = |
48396 | 396 |
union Thm.eq_thm_prop (Facts.props local_facts) chained |
48251
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
397 |
|> filter is_good_unnamed_local |> map (pair "" o single) |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
398 |
val full_space = |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
399 |
Name_Space.merge (Facts.space_of global_facts, Facts.space_of local_facts) |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
400 |
fun add_facts global foldx facts = |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
401 |
foldx (fn (name0, ths) => |
50442
4f6a4d32522c
don't blacklist "case" theorems -- this causes problems in MaSh later
blanchet
parents:
50239
diff
changeset
|
402 |
if not really_all andalso |
4f6a4d32522c
don't blacklist "case" theorems -- this causes problems in MaSh later
blanchet
parents:
50239
diff
changeset
|
403 |
name0 <> "" andalso |
48251
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
404 |
forall (not o member Thm.eq_thm_prop add_ths) ths andalso |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
405 |
(Facts.is_concealed facts name0 orelse |
48327
568b3193e53e
don't include hidden facts in relevance filter + tweak MaSh learning
blanchet
parents:
48299
diff
changeset
|
406 |
not (can (Proof_Context.get_thms ctxt) name0) orelse |
48251
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
407 |
(not (Config.get ctxt ignore_no_atp) andalso |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
408 |
is_package_def name0) orelse |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
409 |
exists (fn s => String.isSuffix s name0) |
50481
5d147d492792
push normalization further -- avoid theorems that are duplicates of each other except for equality symmetry (esp. for "list.distinct(1)" vs. "(2)" etc.)
blanchet
parents:
50442
diff
changeset
|
410 |
(multi_base_blacklist ctxt ho_atp)) then |
48251
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
411 |
I |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
412 |
else |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
413 |
let |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
414 |
val multi = length ths > 1 |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
415 |
fun check_thms a = |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
416 |
case try (Proof_Context.get_thms ctxt) a of |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
417 |
NONE => false |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
418 |
| SOME ths' => eq_list Thm.eq_thm_prop (ths, ths') |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
419 |
in |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
420 |
pair 1 |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
421 |
#> fold (fn th => fn (j, (multis, unis)) => |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
422 |
(j + 1, |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
423 |
if not (member Thm.eq_thm_prop add_ths th) andalso |
48327
568b3193e53e
don't include hidden facts in relevance filter + tweak MaSh learning
blanchet
parents:
48299
diff
changeset
|
424 |
is_theorem_bad_for_atps ho_atp th then |
48251
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
425 |
(multis, unis) |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
426 |
else |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
427 |
let |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
428 |
val new = |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
429 |
(((fn () => |
48327
568b3193e53e
don't include hidden facts in relevance filter + tweak MaSh learning
blanchet
parents:
48299
diff
changeset
|
430 |
if name0 = "" then |
50047
45684acf0b94
thread context correctly when printing backquoted facts
blanchet
parents:
49981
diff
changeset
|
431 |
backquote_thm ctxt th |
48327
568b3193e53e
don't include hidden facts in relevance filter + tweak MaSh learning
blanchet
parents:
48299
diff
changeset
|
432 |
else |
568b3193e53e
don't include hidden facts in relevance filter + tweak MaSh learning
blanchet
parents:
48299
diff
changeset
|
433 |
[Facts.extern ctxt facts name0, |
568b3193e53e
don't include hidden facts in relevance filter + tweak MaSh learning
blanchet
parents:
48299
diff
changeset
|
434 |
Name_Space.extern ctxt full_space name0] |
568b3193e53e
don't include hidden facts in relevance filter + tweak MaSh learning
blanchet
parents:
48299
diff
changeset
|
435 |
|> find_first check_thms |
568b3193e53e
don't include hidden facts in relevance filter + tweak MaSh learning
blanchet
parents:
48299
diff
changeset
|
436 |
|> the_default name0 |
568b3193e53e
don't include hidden facts in relevance filter + tweak MaSh learning
blanchet
parents:
48299
diff
changeset
|
437 |
|> make_name reserved multi j), |
48396 | 438 |
stature_of_thm global assms chained css name0 |
439 |
th), th) |
|
48251
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
440 |
in |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
441 |
if multi then (new :: multis, unis) |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
442 |
else (multis, new :: unis) |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
443 |
end)) ths |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
444 |
#> snd |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
445 |
end) |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
446 |
in |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
447 |
(* The single-name theorems go after the multiple-name ones, so that single |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
448 |
names are preferred when both are available. *) |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
449 |
([], []) |> add_facts false fold local_facts (unnamed_locals @ named_locals) |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
450 |
|> add_facts true Facts.fold_static global_facts global_facts |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
451 |
|> op @ |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
452 |
end |
6cdcfbddc077
moved most of MaSh exporter code to Sledgehammer
blanchet
parents:
48250
diff
changeset
|
453 |
|
48396 | 454 |
fun nearly_all_facts ctxt ho_atp {add, del, only} reserved css chained hyp_ts |
455 |
concl_t = |
|
48250
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
456 |
if only andalso null add then |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
457 |
[] |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
458 |
else |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
459 |
let |
48396 | 460 |
val chained = |
461 |
chained |
|
48292 | 462 |
|> maps (fn th => insert Thm.eq_thm_prop (zero_var_indexes th) [th]) |
48250
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
463 |
in |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
464 |
(if only then |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
465 |
maps (map (fn ((name, stature), th) => ((K name, stature), th)) |
48396 | 466 |
o fact_from_ref ctxt reserved chained css) add |
48250
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
467 |
else |
48292 | 468 |
let val (add, del) = pairself (Attrib.eval_thms ctxt) (add, del) in |
50442
4f6a4d32522c
don't blacklist "case" theorems -- this causes problems in MaSh later
blanchet
parents:
50239
diff
changeset
|
469 |
all_facts ctxt false ho_atp reserved add chained css |
48292 | 470 |
|> filter_out (member Thm.eq_thm_prop del o snd) |
471 |
|> maybe_filter_no_atps ctxt |
|
48332
271a4a6af734
optimize parent computation in MaSh + remove temporary files
blanchet
parents:
48327
diff
changeset
|
472 |
|> uniquify |
48292 | 473 |
end) |
48250
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
474 |
|> maybe_instantiate_inducts ctxt hyp_ts concl_t |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
475 |
end |
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
476 |
|
1065c307fafe
further ML structure split to permit finer-grained loading/reordering (problem to solve: MaSh needs most of Sledgehammer)
blanchet
parents:
diff
changeset
|
477 |
end; |