From: Wilmer Ricciotti Date: Wed, 15 Aug 2012 17:33:55 +0000 (+0000) Subject: progress X-Git-Tag: make_still_working~1562 X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=3f089c91ad16dfe03db9dca381330e7389e3cfe4;p=helm.git progress --- diff --git a/matita/matita/lib/turing/universal/copy.ma b/matita/matita/lib/turing/universal/copy.ma index 7672aaa49..6696889a7 100644 --- a/matita/matita/lib/turing/universal/copy.ma +++ b/matita/matita/lib/turing/universal/copy.ma @@ -482,7 +482,28 @@ lemma terminate_copy0 : ∀t.Pre_copy0 t → Terminate ? copy0 t. | * * #d2 #bd2 * #l4'' #Hl4'' >Hl4'' in Hl3l4nomarks; #Hl3l4nomarks #_ <(?:bd2 = false) [| @(Hl3l4nomarks 〈d2,bd2〉) @memb_append_l2 @memb_append_l2 @memb_hd ] /3/ ] ] - * #d2 * #l4'' #Hl4'' >Hl1'' >Hl4'' + * #d2 * #l4'' #Hl4'' >Hl1'' >Hl4'' + cut (∃l1''',bv0.〈d1,false〉::l1''=l1'''@[〈comma,bv0〉]∧only_bits_or_nulls l1''') + [ Hl1''#HFalse destruct(HFalse) + | * #a * #l1''' #Hl1''' >Hl1''' in Hl1; #Hl1 #_ + lapply (append_l2_injective_r ? (〈c,false〉::l1''') l1' [a] [〈comma,bv〉] (refl …) Hl1) + #Ha destruct (Ha) %{l1'''} %{bv} % // + #x #Hx @Hbitsnullsl1' + lapply (append_l1_injective_r ? (〈c,false〉::l1''') l1' [〈comma,bv〉] [〈comma,bv〉] (refl …) Hl1) + #H Hl4' >Hl4'' cases l4'' + [ normalize in ⊢ (%→?); #Hfalse destruct (Hfalse) + | #y #yl normalize in ⊢ (%→?); #H1 destruct (H1) cases yl in e0; + [ normalize in ⊢ (%→?); #Hfalse destruct (Hfalse) + | #z #zl normalize in ⊢ (%→?); #Hfalse destruct (Hfalse) ] ] + | * #a * #l4''' #Hl4''' >Hl4''' #Hl4 + lapply (append_l1_injective_r ? l4 (〈grid,bg〉::l4''') [〈c0,false〉] [a] (refl …) Hl4) + -Hl4 #Hl4 >Hl4 %{l4'''} %{bg} % // + #x #Hx @Hbitsnullsl4' >Hl4''' @memb_append_l1 @Hx ] ] + #Hl4''' #Hl1''' #HR cases (HR d1 (l3@l4'') c0 d2 ls (l1''@rs) ? ? ?) [3: >associative_append >associative_append % |4: % @@ -501,24 +522,8 @@ lemma terminate_copy0 : ∀t.Pre_copy0 t → Terminate ? copy0 t. | -Hx #Hx >Hl4'' @memb_append_l2 @memb_append_l1 @Hx ] ] ] | >Hl1'' in Hlen; >Hl4'' >length_append >commutative_plus normalize in ⊢ (%→?); #Hlen destruct (Hlen) @e0 ] - | Hl1''#HFalse destruct(HFalse) - | * #a * #l1''' #Hl1''' >Hl1''' in Hl1; #Hl1 #_ - lapply (append_l2_injective_r ? (〈c,false〉::l1''') l1' [a] [〈comma,bv〉] (refl …) Hl1) - #Ha destruct (Ha) %{l1'''} %{bv} % // - #x #Hx @Hbitsnullsl1' - lapply (append_l1_injective_r ? (〈c,false〉::l1''') l1' [〈comma,bv〉] [〈comma,bv〉] (refl …) Hl1) - #H Hl4' >Hl4'' cases l4'' - [ normalize in ⊢ (%→?); #Hfalse destruct (Hfalse) - | #y #yl normalize in ⊢ (%→?); #H1 destruct (H1) cases yl in e0; - [ normalize in ⊢ (%→?); #Hfalse destruct (Hfalse) - | #z #zl normalize in ⊢ (%→?); #Hfalse destruct (Hfalse) ] ] - | * #a * #l4''' #Hl4''' >Hl4''' #Hl4 - lapply (append_l1_injective_r ? l4 (〈grid,bg〉::l4''') [〈c0,false〉] [a] (refl …) Hl4) - -Hl4 #Hl4 >Hl4 %{l4'''} %{bg} % // - #x #Hx @Hbitsnullsl4' >Hl4''' @memb_append_l1 @Hx ] ] + | @Hl1''' ] + | @Hl4''' ] | * #Hc #Ht2 whd >Ht2 %{(〈c0,false〉::ls)} %{d1} %{d2} %{rs} %{l1''} %{(〈null,false〉::l3)} %{l4''} % [ % [ % [ % [ % @@ -531,117 +536,78 @@ lemma terminate_copy0 : ∀t.Pre_copy0 t → Terminate ? copy0 t. | -Hx #Hx >Hl4'' @memb_append_l2 @memb_append_l1 @Hx ] ] ] | >Hl1'' in Hlen; >Hl4'' >length_append >commutative_plus normalize in ⊢ (%→?); #Hlen destruct (Hlen) @e0 ] - | Hl1''#HFalse destruct(HFalse) - | * #a * #l1''' #Hl1''' >Hl1''' in Hl1; #Hl1 #_ - lapply (append_l2_injective_r ? (〈c,false〉::l1''') l1' [a] [〈comma,bv〉] (refl …) Hl1) - #Ha destruct (Ha) %{l1'''} %{bv} % // - #x #Hx @Hbitsnullsl1' - lapply (append_l1_injective_r ? (〈c,false〉::l1''') l1' [〈comma,bv〉] [〈comma,bv〉] (refl …) Hl1) - #H Hl4' >Hl4'' cases l4'' - [ normalize in ⊢ (%→?); #Hfalse destruct (Hfalse) - | #y #yl normalize in ⊢ (%→?); #H1 destruct (H1) cases yl in e0; - [ normalize in ⊢ (%→?); #Hfalse destruct (Hfalse) - | #z #zl normalize in ⊢ (%→?); #Hfalse destruct (Hfalse) ] ] - | * #a * #l4''' #Hl4''' >Hl4''' #Hl4 - lapply (append_l1_injective_r ? l4 (〈grid,bg〉::l4''') [〈c0,false〉] [a] (refl …) Hl4) - -Hl4 #Hl4 >Hl4 %{l4'''} %{bg} % // - #x #Hx @Hbitsnullsl4' >Hl4''' @memb_append_l1 @Hx ] ] + | @Hl1''' ] + | @Hl4''' ] ] - |@daemon (* WIP *) - ] + |cases HPre -HPre #ls * #c * #c0 * #rs * #l1 * #l3 * #l4 + * * * * * #Ht #Hl1nomarks #Hl3l4nomarks #Hlen + * #l1' * #bv * #Hl1 #Hbitsnullsl1' + * #l4' * #bg * #Hl4 #Hbitsnullsl4' + >Ht lapply Hbitsnullsl1' lapply Hl1 lapply l1' lapply Hl3l4nomarks + lapply Hl1nomarks lapply l3 lapply c0 lapply c lapply ls + -Hbitsnullsl1' -Hl1 -l1' -Hl3l4nomarks -Hl1nomarks -l3 -Hl4 -c0 -c -ls + <(reverse_reverse ? l4) <(length_reverse ? l4) in Hlen; #Hlen + @(list_ind2 … Hlen) + [ #ls #c #c0 #l3 #_ #_ #l1' #Hl1 #Hbitsnullsl1' cases l1' in Hl1; + [| #x * [| #x0 #xs ] normalize in ⊢ (%→?); #Hfalse destruct (Hfalse) ] + normalize in ⊢ (%→?); #Hl1' destruct (Hl1') % #t1 whd in ⊢ (%→?); + #HR cases (HR … (refl …)) whd in ⊢ (??%?→?); #Hfalse destruct (Hfalse) + | #xs #ys * #x #bx * #y #by #IH + #ls #c #c0 #l3 #Hl1nomarks #Hl3l4nomarks #l1' #Hl1 + #Hbitsnullsl1' % + #t1 whd in ⊢ (%→?); #HR cases (HR … (refl …)) -HR + #Hbitnullc #HR + lapply (Hl1nomarks 〈x,bx〉 (memb_hd …)) normalize in ⊢ (%→?); #Hbx destruct (Hbx) + (*cut (∃d2,l4''.〈y,by〉::ys = l4''@[〈d2,false〉]) + [ cases (list_last ? ys) in Hl3l4nomarks; + [ #Hl4' #Hl3l4nomarks >Hl4' >(?:by = false) [%{y} %{([])} %] + @(Hl3l4nomarks 〈y,by〉) @memb_append_l2 @memb_hd + | * * #d2 #bd2 * #l4'' #Hl4'' >Hl4'' #Hl3l4nomarks + <(?:bd2 = false) [| @(Hl3l4nomarks 〈d2,bd2〉) @memb_append_l2 @memb_cons @memb_append_l2 @memb_hd ] + %{d2} %{(〈y,by〉::l4'')} % ] ] + * #a0 * #l4'' #Hl4'' >Hl4'' in HR; #HR *) + cases (HR x (l3@reverse ? ys) c0 y ls (xs@rs) ? (refl …) ?) + [3: >reverse_cons >associative_append >associative_append + >(?:by = false) [|@(Hl3l4nomarks 〈y,by〉) @memb_append_l2 >reverse_cons @memb_append_l2 @memb_hd ] % + |4: #x #Hx @Hl3l4nomarks >reverse_cons Ht1 + <(?: (〈bit x1,false〉::l3)@reverse (FSUnialpha×bool) ys@〈y,true〉::〈bit x1,false〉::ls = + 〈bit x1,false〉::(l3@reverse (FSUnialpha×bool) ys)@〈y,true〉::〈bit x1,false〉::ls) + [cut (∃l1''.〈x,false〉::xs = l1''@[〈comma,bv〉] ∧ only_bits_or_nulls l1'') + [lapply Hbitsnullsl1' lapply Hl1 -Hl1 -Hbitsnullsl1' cases l1' + [normalize in ⊢(%→?); #Hfalse destruct (Hfalse) + |#x2 #l1'' normalize in ⊢ (%→?); #Heq #Hbitsnullsl1' destruct (Heq) + %{l1''} % [@e0] + #x #Hx @Hbitsnullsl1' @memb_cons @Hx ] ] + * #l1'' * #Hl1'' #Hbitsnullsl1'' + @(IH (〈bit x1,false〉::ls) x y (〈bit x1,false〉::l3) ?? l1'' Hl1'' Hbitsnullsl1'') + [#x #Hx @Hl1nomarks @memb_cons @Hx + |#x #Hx cases (orb_true_l … Hx) -Hx #Hx + [>(\P Hx) % + |cases (memb_append … Hx) -Hx #Hx @Hl3l4nomarks + [@memb_append_l1 @Hx + |@memb_append_l2 >reverse_cons @memb_append_l1 @Hx ] ] ] + |>associative_append % ] + | * #Hc #Ht1 >Ht1 + <(?: (〈null,false〉::l3)@reverse (FSUnialpha×bool) ys@〈y,true〉::〈c0,false〉::ls = + 〈null,false〉::(l3@reverse (FSUnialpha×bool) ys)@〈y,true〉::〈c0,false〉::ls) + [cut (∃l1''.〈x,false〉::xs = l1''@[〈comma,bv〉] ∧ only_bits_or_nulls l1'') + [lapply Hbitsnullsl1' lapply Hl1 -Hl1 -Hbitsnullsl1' cases l1' + [normalize in ⊢(%→?); #Hfalse destruct (Hfalse) + |#x2 #l1'' normalize in ⊢ (%→?); #Heq #Hbitsnullsl1' destruct (Heq) + %{l1''} % [@e0] + #x #Hx @Hbitsnullsl1' @memb_cons @Hx ] ] + * #l1'' * #Hl1'' #Hbitsnullsl1'' + @(IH (〈c0,false〉::ls) x y (〈null,false〉::l3) ?? l1'' Hl1'' Hbitsnullsl1'') + [#x #Hx @Hl1nomarks @memb_cons @Hx + |#x #Hx cases (orb_true_l … Hx) -Hx #Hx + [>(\P Hx) % + |cases (memb_append … Hx) -Hx #Hx @Hl3l4nomarks + [@memb_append_l1 @Hx + |@memb_append_l2 >reverse_cons @memb_append_l1 @Hx ] ] ] + |>associative_append % ] +]]] qed. - - -(* - [ -HPre -t #t1 #t2 * #ls * #s0 * #s1 * #c0 * #c1 * #rs * #l1 * #l3 * #l4 - * * * * * * * * #Ht1 #Hl1nomarks #Hl3nomarks #Hl4nomarks #Hlen #Hbits1 #Hbits2 - #Hbitcnullc0 #Hbitnullc1 #HPre cases (HPre … Ht1) -HPre - #Hbitnulls1 #HPre - check terminate_while_guarded - whd - cut (∃a0,l4'.〈c0,false〉::l4 = l4'@[〈a0,false〉]) - [ cases (list_last ? (〈c0,false〉::l4)) - [ #Hfalse destruct (Hfalse) - | * * #a0 #ba0 * #l4' #Hl4' >Hl4' >(?:ba0 = false) [/3/] - cases l4' in Hl4'; - [ whd in ⊢ (???%→?); #Hl4' destruct (Hl4') % - | #a1 #l4'' whd in ⊢ (???%→?); #Hl4'' - destruct (Hl4'') @(Hl4nomarks 〈a0,ba0〉) @memb_append_l2 @memb_hd ] ] ] - * #a0 * #l4' #Hl4 - cut (∃a,l1'.〈a,false〉::l1' = l1@[〈c1,false〉]) - [ cases l1 in Hl1nomarks; - [ #_ %{c1} %{([])} % - | * #a #ba #l1' #Hl1nomarks; - %{a} %{(l1'@[〈c1,false〉])} @eq_f2 // @eq_f2 // - @sym_eq @(Hl1nomarks 〈a,ba〉) @memb_hd ] ] - * #a * #l1' #Hl1 - cases (HPre a (l3@〈grid,false〉::l4') s0 a0 ls (l1'@〈comma,false〉::rs) ???) - [3: >associative_append @eq_f @eq_f - change with ((〈c0,false〉::l4)@?) in ⊢ (??%?); >Hl4 - >associative_append % - |4: change with ((〈a,false〉::l1')@?) in ⊢ (???%); >Hl1 - >associative_append % - |5: #x #Hx cases (memb_append … Hx) -Hx - [ @Hl3nomarks - | #Hx cases (orb_true_l … Hx) -Hx - [ #Hx >(\P Hx) % - | cases l4' in Hl4; - [ #_ normalize in ⊢ (%→?); #Hfalse destruct (Hfalse) - | #c0' #l4'' whd in ⊢ (???%→?); #Hl4 destruct (Hl4) #Hx - cases (orb_true_l … Hx) -Hx #Hx - [ >(\P Hx) % - | @(Hl4nomarks x) @memb_append_l1 // ] ] ] ] - | * #x * #Hs1 #Ht2 - %{(〈bit x,false〉::ls)} %{a0} %{a} %{c0} %{c1} %{rs} - %{...} %{(〈bit x,false〉::l3)} %{...} - - @(Hl4nomarks x) ] - - lapply (append_l2_injective_r ? [] l4' [〈c0,false〉] [〈a0,ba0〉] (refl …) Hl4') - #Hc0 destruct (Hc0) % - | - @Hl4nomarks - [ #Hl4' - lapply (append_l2_injective_r ? [] l4' [〈c0,false〉] [〈a0,ba0〉] (refl …) Hl4') - lapply (append_l1_injective_r ? [] l4' [〈c0,false〉] [〈a0,ba0〉] (refl …) Hl4') - -Hl4' #Hl4' #Hc0 destruct (Hl4' Hc0) /3/ - | * - #HPre whd in ⊢ (%→?); #HR #ls * * #curl #curr * #rs * #Ht1 * - [(* absurd case *) - #Hgrid * #ls1 * #cur1 * #rs1 * * >Ht1 #Hdes destruct (Hdes) - #Habs @False_ind @(absurd ?? Habs) @(is_grid_true … Hgrid) - |* #ls0 * #c * #l1 * #l2 * #c1 * #l3 * #l4 * #rs0 * #n - * * * * * * * * * * - #Hl1 #Hmarksl1 #Hc #Hc1 #Hl3 #lenl1 #eqlen #Htable #Hls #Hcur #Hrs - * #ls1 * #cur1 * #rs1 * * >Ht1 #Hdes destruct (Hdes) #Hdes #H - lapply (H … Hl1 Hmarksl1 Hc Hc1 Hl3 lenl1 eqlen Htable Hls Hcur Hrs) - -H * - [* [ * #Hdes #Ht2 >Ht2 - @ex_intro [2:@ex_intro [2: @ex_intro [2: % [%]|]|]|] - %1 % - |* #test * #c2 * #l5 * #l6 * #Hl4 #Ht2 - cut (∃l7,l8. l6 = l7@〈comma,false 〉::l8 ∧ |l7| = |l1|) [@daemon] - * #l7 * #l8 * #Hl6 #eqlen1 - @ex_intro [2:@ex_intro [2: @ex_intro [2: % [@Ht2]|]|]|] %2 - @(ex_intro … ls0) @(ex_intro … c) @(ex_intro … l1) - @(ex_intro … (l2@〈c1,false〉::l3@〈comma,false〉::l5@[〈bar,false〉])) - @(ex_intro … c2) @(ex_intro … l7) @(ex_intro … l8) - @(ex_intro … rs0) @(ex_intro … n) - % [2: >Hl6 >associative_append >associative_append @eq_f @eq_f @eq_f - @eq_f >associative_append @eq_f @eq_f >associative_append % ] - % [2: %] % [2: %] % [2:@daemon] % [2: @sym_eq @eqlen1] - % [2: @lenl1] % [2: #x #memx @daemon] - % [2: @daemon] % [2: @Hc] % [2: @Hmarksl1] @Hl1 - ] - |* * #_ #_ #H cases (current_to_midtape … H) #ls * #rs #Ht1 - >Ht1 @ex_intro [2:@ex_intro [2: @ex_intro [2: % [%]|]|]|] %1 % - ] - ] -*) - definition merge_char ≝ λc1,c2. match c2 with @@ -710,15 +676,19 @@ definition R_copy ≝ λt1,t2. 〈merge_char c0 c1,false〉::reverse ? l1@〈s1,false〉::ls) 〈comma,false〉 rs. -axiom sem_copy0 : Realize ? copy0 R_copy0. +lemma sem_copy0 : GRealize ? copy0 Pre_copy0 R_copy0. +@WRealize_to_GRealize +[ @terminate_copy0 +| @wsem_copy0 ] +qed. definition option_cons ≝ λA.λa:option A.λl. match a with [ None ⇒ l | Some a' ⇒ a'::l ]. - -axiom sem_copy : Realize ? copy R_copy. +axiom sem_copy : GRealize ? copy Pre_copy R_copy. +(* TODO port to GRealize *) (* #intape cases (sem_seq … (sem_copy0 …)