diff -r 959ef7f6ecdb -r 7e82493c6253 QuotMain.thy --- a/QuotMain.thy Mon Nov 23 16:13:19 2009 +0100 +++ b/QuotMain.thy Mon Nov 23 20:10:39 2009 +0100 @@ -1441,6 +1441,78 @@ Logic.mk_equals (rtrm, Syntax.check_term lthy (inj_REPABS lthy (rtrm, qtrm))) *} +(* Final wrappers *) + + +ML {* +fun regularize_goal lthy thm rel_eqv rel_refl qtrm = + let + val reg_trm = mk_REGULARIZE_goal lthy (prop_of thm) qtrm; + fun tac ctxt = + (ObjectLogic.full_atomize_tac) THEN' + REPEAT_ALL_NEW (FIRST' [ + rtac rel_refl, + atac, + rtac @{thm universal_twice}, + (rtac @{thm impI} THEN' atac), + rtac @{thm implication_twice}, + EqSubst.eqsubst_tac ctxt [0] + [(@{thm equiv_res_forall} OF [rel_eqv]), + (@{thm equiv_res_exists} OF [rel_eqv])], + (* For a = b \ a \ b *) + (rtac @{thm impI} THEN' (asm_full_simp_tac HOL_ss) THEN' rtac rel_refl), + (rtac @{thm RIGHT_RES_FORALL_REGULAR}) + ]); + val cthm = Goal.prove lthy [] [] reg_trm + (fn {context, ...} => tac context 1); + in + cthm OF [thm] + end +*} + +ML {* +fun repabs_goal lthy thm rty quot_thm reflex_thm trans_thm rsp_thms qtrm = + let + val rg = Syntax.check_term lthy (mk_inj_REPABS_goal lthy ((prop_of thm), qtrm)); + fun tac ctxt = (ObjectLogic.full_atomize_tac) THEN' + (REPEAT_ALL_NEW (r_mk_comb_tac ctxt rty quot_thm reflex_thm trans_thm rsp_thms)); + val cthm = Goal.prove lthy [] [] rg (fn x => tac (#context x) 1); + in + @{thm Pure.equal_elim_rule1} OF [cthm, thm] + end +*} + +ML {* +fun lift_thm_goal lthy qty qty_name rsp_thms defs rthm goal = +let + val (rty, rel, rel_refl, rel_eqv) = lookup_quot_data lthy qty; + val (trans2, reps_same, absrep, quot) = lookup_quot_thms lthy qty_name; + val t_a = atomize_thm rthm; + val goal_a = atomize_goal (ProofContext.theory_of lthy) goal; + val t_r = regularize_goal lthy t_a rel_eqv rel_refl goal_a; + val t_t = repabs_goal lthy t_r rty quot rel_refl trans2 rsp_thms goal_a; + val (alls, exs) = findallex lthy rty qty (prop_of t_a); + val allthms = map (make_allex_prs_thm lthy quot @{thm FORALL_PRS}) alls + val exthms = map (make_allex_prs_thm lthy quot @{thm EXISTS_PRS}) exs + val t_a = MetaSimplifier.rewrite_rule (allthms @ exthms) t_t + val abs = findabs rty (prop_of t_a); + val aps = findaps rty (prop_of t_a); + val app_prs_thms = map (applic_prs lthy rty qty absrep) aps; + val lam_prs_thms = map (make_simp_prs_thm lthy quot @{thm LAMBDA_PRS}) abs; + val t_l = repeat_eqsubst_thm lthy (lam_prs_thms @ app_prs_thms) t_a; + val defs_sym = flat (map (add_lower_defs lthy) defs); + val defs_sym_eq = map (fn x => eq_reflection OF [x]) defs_sym; + val t_id = simp_ids lthy t_l; + val t_d0 = MetaSimplifier.rewrite_rule defs_sym_eq t_id; + val t_d = repeat_eqsubst_thm lthy defs_sym t_d0; + val t_r = MetaSimplifier.rewrite_rule [reps_same] t_d; + val t_rv = ObjectLogic.rulify t_r +in + Thm.varifyT t_rv +end +*} + end +