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(* Title: HOL/Metis_Examples/Proxies.thy |
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Author: Jasmin Blanchette, TU Muenchen |
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Example that exercises Metis's and Sledgehammer's logical symbol proxies for |
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rudimentary higher-order reasoning. |
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*) |
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header {* |
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Example that Exercises Metis's and Sledgehammer's Logical Symbol Proxies for |
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Rudimentary Higher-Order Reasoning. |
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*} |
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theory Proxies |
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imports Type_Encodings |
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begin |
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text {* Extensionality and set constants *} |
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lemma plus_1_not_0: "n + (1\<Colon>nat) \<noteq> 0" |
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by simp |
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definition inc :: "nat \<Rightarrow> nat" where |
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"inc x = x + 1" |
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lemma "inc \<noteq> (\<lambda>y. 0)" |
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sledgehammer [expect = some] (inc_def plus_1_not_0) |
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by (metis_exhaust inc_def plus_1_not_0) |
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lemma "inc = (\<lambda>y. y + 1)" |
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sledgehammer [expect = some] (inc_def) |
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by (metis_exhaust inc_def) |
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definition add_swap :: "nat \<Rightarrow> nat \<Rightarrow> nat" where |
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"add_swap = (\<lambda>x y. y + x)" |
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lemma "add_swap m n = n + m" |
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sledgehammer [expect = some] (add_swap_def) |
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by (metis_exhaust add_swap_def) |
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definition "A = {xs\<Colon>'a list. True}" |
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lemma "xs \<in> A" |
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sledgehammer [expect = some] |
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by (metis_exhaust A_def Collect_def mem_def) |
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definition "B (y::int) \<equiv> y \<le> 0" |
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definition "C (y::int) \<equiv> y \<le> 1" |
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lemma int_le_0_imp_le_1: "x \<le> (0::int) \<Longrightarrow> x \<le> 1" |
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by linarith |
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lemma "B \<subseteq> C" |
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sledgehammer [type_enc = poly_args, max_relevant = 100, expect = some] |
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by (metis_exhaust B_def C_def int_le_0_imp_le_1 predicate1I) |
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text {* Proxies for logical constants *} |
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lemma "id (op =) x x" |
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sledgehammer [type_enc = erased, expect = none] (id_apply) |
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sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
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by (metis (full_types) id_apply) |
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lemma "id True" |
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sledgehammer [type_enc = erased, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
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by (metis_exhaust id_apply) |
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lemma "\<not> id False" |
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sledgehammer [type_enc = erased, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
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by (metis_exhaust id_apply) |
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lemma "x = id True \<or> x = id False" |
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sledgehammer [type_enc = erased, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
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by (metis_exhaust id_apply) |
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lemma "id x = id True \<or> id x = id False" |
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sledgehammer [type_enc = erased, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
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sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
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sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
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by (metis_exhaust id_apply) |
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lemma "P True \<Longrightarrow> P False \<Longrightarrow> P x" |
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sledgehammer [type_enc = erased, expect = none] () |
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sledgehammer [type_enc = poly_args, expect = none] () |
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122 |
sledgehammer [type_enc = poly_tags?, expect = some] () |
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123 |
sledgehammer [type_enc = poly_tags, expect = some] () |
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124 |
sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
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125 |
sledgehammer [type_enc = poly_preds, expect = some] () |
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126 |
sledgehammer [type_enc = mangled_tags?, expect = some] () |
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127 |
sledgehammer [type_enc = mangled_tags, expect = some] () |
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128 |
sledgehammer [type_enc = mangled_preds?, expect = some] () |
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129 |
sledgehammer [type_enc = mangled_preds, expect = some] () |
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130 |
by (metis (full_types)) |
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131 |
|
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132 |
lemma "id (\<not> a) \<Longrightarrow> \<not> id a" |
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133 |
sledgehammer [type_enc = erased, expect = some] (id_apply) |
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134 |
sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
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135 |
sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
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136 |
sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
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137 |
sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
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138 |
sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
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139 |
sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
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140 |
sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
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|
141 |
sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
43212 | 142 |
by (metis_exhaust id_apply) |
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143 |
|
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144 |
lemma "id (\<not> \<not> a) \<Longrightarrow> id a" |
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145 |
sledgehammer [type_enc = erased, expect = some] (id_apply) |
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146 |
sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
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147 |
sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
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148 |
sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
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149 |
sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
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150 |
sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
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151 |
sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
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152 |
sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
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153 |
sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
43212 | 154 |
by (metis_exhaust id_apply) |
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|
155 |
|
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156 |
lemma "id (\<not> (id (\<not> a))) \<Longrightarrow> id a" |
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157 |
sledgehammer [type_enc = erased, expect = some] (id_apply) |
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158 |
sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
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|
159 |
sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
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160 |
sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
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161 |
sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
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162 |
sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
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163 |
sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
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164 |
sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
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|
165 |
sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
43212 | 166 |
by (metis_exhaust id_apply) |
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|
167 |
|
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168 |
lemma "id (a \<and> b) \<Longrightarrow> id a" |
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169 |
sledgehammer [type_enc = erased, expect = some] (id_apply) |
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170 |
sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
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171 |
sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
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|
172 |
sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
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173 |
sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
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174 |
sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
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175 |
sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
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176 |
sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
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|
177 |
sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
43212 | 178 |
by (metis_exhaust id_apply) |
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|
179 |
|
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180 |
lemma "id (a \<and> b) \<Longrightarrow> id b" |
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181 |
sledgehammer [type_enc = erased, expect = some] (id_apply) |
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182 |
sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
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183 |
sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
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184 |
sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
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185 |
sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
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|
186 |
sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
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|
187 |
sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
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|
188 |
sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
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|
189 |
sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
43212 | 190 |
by (metis_exhaust id_apply) |
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changeset
|
191 |
|
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changeset
|
192 |
lemma "id a \<Longrightarrow> id b \<Longrightarrow> id (a \<and> b)" |
43626
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193 |
sledgehammer [type_enc = erased, expect = some] (id_apply) |
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|
194 |
sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
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|
195 |
sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
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|
196 |
sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
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|
197 |
sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
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|
198 |
sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
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|
199 |
sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
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|
200 |
sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
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|
201 |
sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
43212 | 202 |
by (metis_exhaust id_apply) |
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changeset
|
203 |
|
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changeset
|
204 |
lemma "id a \<Longrightarrow> id (a \<or> b)" |
43626
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205 |
sledgehammer [type_enc = erased, expect = some] (id_apply) |
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206 |
sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
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|
207 |
sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
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208 |
sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
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|
209 |
sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
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|
210 |
sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
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|
211 |
sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
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|
212 |
sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
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changeset
|
213 |
sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
43212 | 214 |
by (metis_exhaust id_apply) |
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changeset
|
215 |
|
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changeset
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216 |
lemma "id b \<Longrightarrow> id (a \<or> b)" |
43626
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217 |
sledgehammer [type_enc = erased, expect = some] (id_apply) |
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|
218 |
sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
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219 |
sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
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220 |
sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
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221 |
sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
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222 |
sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
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223 |
sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
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224 |
sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
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|
225 |
sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
43212 | 226 |
by (metis_exhaust id_apply) |
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|
227 |
|
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228 |
lemma "id (\<not> a) \<Longrightarrow> id (\<not> b) \<Longrightarrow> id (\<not> (a \<or> b))" |
43626
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229 |
sledgehammer [type_enc = erased, expect = some] (id_apply) |
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230 |
sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
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231 |
sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
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232 |
sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
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233 |
sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
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changeset
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234 |
sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
a867ebb12209
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changeset
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235 |
sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
a867ebb12209
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changeset
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236 |
sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
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237 |
sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
43212 | 238 |
by (metis_exhaust id_apply) |
41141
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diff
changeset
|
239 |
|
ad923cdd4a5d
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diff
changeset
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240 |
lemma "id (\<not> a) \<Longrightarrow> id (a \<longrightarrow> b)" |
43626
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changeset
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241 |
sledgehammer [type_enc = erased, expect = some] (id_apply) |
a867ebb12209
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changeset
|
242 |
sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
a867ebb12209
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43228
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changeset
|
243 |
sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
a867ebb12209
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parents:
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changeset
|
244 |
sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
a867ebb12209
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parents:
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changeset
|
245 |
sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
a867ebb12209
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parents:
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changeset
|
246 |
sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
a867ebb12209
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parents:
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changeset
|
247 |
sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
a867ebb12209
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changeset
|
248 |
sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
a867ebb12209
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blanchet
parents:
43228
diff
changeset
|
249 |
sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
43212 | 250 |
by (metis_exhaust id_apply) |
41141
ad923cdd4a5d
added example to exercise higher-order reasoning with Sledgehammer and Metis
blanchet
parents:
diff
changeset
|
251 |
|
ad923cdd4a5d
added example to exercise higher-order reasoning with Sledgehammer and Metis
blanchet
parents:
diff
changeset
|
252 |
lemma "id (a \<longrightarrow> b) \<longleftrightarrow> id (\<not> a \<or> b)" |
43626
a867ebb12209
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blanchet
parents:
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changeset
|
253 |
sledgehammer [type_enc = erased, expect = some] (id_apply) |
a867ebb12209
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parents:
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changeset
|
254 |
sledgehammer [type_enc = poly_tags?, expect = some] (id_apply) |
a867ebb12209
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parents:
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changeset
|
255 |
sledgehammer [type_enc = poly_tags, expect = some] (id_apply) |
a867ebb12209
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blanchet
parents:
43228
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changeset
|
256 |
sledgehammer [type_enc = poly_preds?, expect = some] (id_apply) |
a867ebb12209
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blanchet
parents:
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changeset
|
257 |
sledgehammer [type_enc = poly_preds, expect = some] (id_apply) |
a867ebb12209
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blanchet
parents:
43228
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changeset
|
258 |
sledgehammer [type_enc = mangled_tags?, expect = some] (id_apply) |
a867ebb12209
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parents:
43228
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changeset
|
259 |
sledgehammer [type_enc = mangled_tags, expect = some] (id_apply) |
a867ebb12209
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blanchet
parents:
43228
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changeset
|
260 |
sledgehammer [type_enc = mangled_preds?, expect = some] (id_apply) |
a867ebb12209
renamed "type_sys" to "type_enc", which is more accurate
blanchet
parents:
43228
diff
changeset
|
261 |
sledgehammer [type_enc = mangled_preds, expect = some] (id_apply) |
43212 | 262 |
by (metis_exhaust id_apply) |
41141
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added example to exercise higher-order reasoning with Sledgehammer and Metis
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parents:
diff
changeset
|
263 |
|
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parents:
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changeset
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264 |
end |