added sign_of_cterm;

Logic.goal_const;

replaced "Sessions" by "Root";

apply. -> by

* HOL/While

added theory While;

export has_internal; tag some rules as internal;

added thm_deps;

added enter_forward_proof;

export write_graph;

begin_theory: store *copy* of initial theory;

tuned;

intro_elim_tac: bimatch_from;

While functional for defining tail-recursive functions

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tuned msg;

Corrected example which still used old primrec syntax.

Replaced force by fast because force may now take forever to fail (due to a recend change of David's)

new constant same_fst

by (CLASIMPSET auto_tac);

added clarify method; removed unofficial improper methods;

added clarsimp method;

tuned;

removed slow, slow_best methods; added clarify, clarsimp methods;

* Isar/Provers: intro/elim/dest attributes: changed intro/intro!/intro!! flags to intro!/intro/intro? (in most cases, one should have to change intro!! to intro? only);

rearranged setup of arithmetic procedures, avoiding global reference values;

lemmas [arith_split] = abs_split (*belongs to theory RealAbs*);

do nat pass theory value, but sg_ref;

avoid referencing thy value; rename_numerals: use implicit theory context; eliminated some simpset_of Int.thy (why needed anyway?);

avoid referencing thy value; rename_numerals: use implicit theory context;

tuned deps;

tuned;

changed deps;

rename_numerals: use implicit theory context;

avoid referencing thy value; lemma_prat_add_mult_mono moved to PRat.ML;

avoid referencing thy value; lemma_prat_add_mult_mono moved here;

avoid referencing thy value; rename_numerals: use implicit theory context; avoid some simpset_of Int.thy (why needed anyway?);

simpset_of NatDef.thy (why anyway?);

avoid referencing thy value; rename_numerals: use implicit theory context;

avoid referencing thy value;

tuned comment;

avoid global references;

do not pass theory values, but sg_ref;

Drule.merge_rules;

get_names: topologically sorted;

removed all_sessions.graph; improved graph 'directories'; tuned;

removed all_sessions;

disallow duplicates in session identifiers;

assimilated;

tuned HeapFun;

tuned ThmHeap;

removed selector syntax -- improper tuples are broken beyond repair :-(

elim?;

classical atts now intro! / intro / intro?;

renamed "Directories" to "Sessions";

tuned;

improved error msg; thm foo.cases;

added ex_someI

much tidying in connection with the 2nd UNITY paper

strengthened force_tac by using new first_best_tac

removed safe_asm_full_simp_tac

added map_upd_nonempty, also to simpset

removed weaker variant of subset_insert_iff

removed safe_asm_full_simp_tac, added generic_simp_tac

Updating of some comments

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Univ no longer requires Arith (really it never did)

tuned;

corrected header

changed / to // for quotienting

changed / to // for quotienting; general tidying

renamed // to / (which is what we want anyway) to avoid clash with the new use of // for quotienting

deleted redundant proof

// change; also moved entry for AddIffs

addsplits [split_if];

theorems foo.splits = foo.split foo.split_asm;

removed obsolete expand_if = split_if;

* HOL: removed obsolete expand_if = split_if; theorems if_splits = split_if split_if_asm;

* HOL: removed obsolete expand_if = split_if; theorems if_splits = split_if split_if_asm; datatype package provides theorems foo.splits = foo.split foo.split_asm for each datatype;

replaced arities by instance;

MicroJava structure changed

consts: include *all* names;

tuded presentation;

AddXIs [UnI1, UnI2];

flat instruction set, op. semantics now in JVMExecInstr.thy

flat instruction set

10pt

- xsymbols for \<noteq> \<notin> \<in> \<exists> \<forall> \<and> \<inter> \<union> \<Union> - vector space type of {plus, minus, zero}, overload 0 in vector space - syntax |.| and ||.||

strip_prod_type = HOLogic.prodT_factors;

AST translation rules no longer require constant head on LHS;

fixed nested prod syntax;

use split_tupled_all;

use pair_tac; use split syntax;

adapted tuple syntax;

tuned;

use pair_tac;