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Mirrors > Home > MPE Home > Th. List > pcohtpy | Structured version Visualization version GIF version |
Description: Homotopy invariance of path concatenation. (Contributed by Jeff Madsen, 15-Jun-2010.) (Revised by Mario Carneiro, 24-Feb-2015.) |
Ref | Expression |
---|---|
pcohtpy.4 | ⊢ (𝜑 → (𝐹‘1) = (𝐺‘0)) |
pcohtpy.5 | ⊢ (𝜑 → 𝐹( ≃ph‘𝐽)𝐻) |
pcohtpy.6 | ⊢ (𝜑 → 𝐺( ≃ph‘𝐽)𝐾) |
Ref | Expression |
---|---|
pcohtpy | ⊢ (𝜑 → (𝐹(*𝑝‘𝐽)𝐺)( ≃ph‘𝐽)(𝐻(*𝑝‘𝐽)𝐾)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pcohtpy.5 | . . . . 5 ⊢ (𝜑 → 𝐹( ≃ph‘𝐽)𝐻) | |
2 | isphtpc 24063 | . . . . 5 ⊢ (𝐹( ≃ph‘𝐽)𝐻 ↔ (𝐹 ∈ (II Cn 𝐽) ∧ 𝐻 ∈ (II Cn 𝐽) ∧ (𝐹(PHtpy‘𝐽)𝐻) ≠ ∅)) | |
3 | 1, 2 | sylib 217 | . . . 4 ⊢ (𝜑 → (𝐹 ∈ (II Cn 𝐽) ∧ 𝐻 ∈ (II Cn 𝐽) ∧ (𝐹(PHtpy‘𝐽)𝐻) ≠ ∅)) |
4 | 3 | simp1d 1140 | . . 3 ⊢ (𝜑 → 𝐹 ∈ (II Cn 𝐽)) |
5 | pcohtpy.6 | . . . . 5 ⊢ (𝜑 → 𝐺( ≃ph‘𝐽)𝐾) | |
6 | isphtpc 24063 | . . . . 5 ⊢ (𝐺( ≃ph‘𝐽)𝐾 ↔ (𝐺 ∈ (II Cn 𝐽) ∧ 𝐾 ∈ (II Cn 𝐽) ∧ (𝐺(PHtpy‘𝐽)𝐾) ≠ ∅)) | |
7 | 5, 6 | sylib 217 | . . . 4 ⊢ (𝜑 → (𝐺 ∈ (II Cn 𝐽) ∧ 𝐾 ∈ (II Cn 𝐽) ∧ (𝐺(PHtpy‘𝐽)𝐾) ≠ ∅)) |
8 | 7 | simp1d 1140 | . . 3 ⊢ (𝜑 → 𝐺 ∈ (II Cn 𝐽)) |
9 | pcohtpy.4 | . . 3 ⊢ (𝜑 → (𝐹‘1) = (𝐺‘0)) | |
10 | 4, 8, 9 | pcocn 24086 | . 2 ⊢ (𝜑 → (𝐹(*𝑝‘𝐽)𝐺) ∈ (II Cn 𝐽)) |
11 | 3 | simp2d 1141 | . . 3 ⊢ (𝜑 → 𝐻 ∈ (II Cn 𝐽)) |
12 | 7 | simp2d 1141 | . . 3 ⊢ (𝜑 → 𝐾 ∈ (II Cn 𝐽)) |
13 | phtpc01 24065 | . . . . . 6 ⊢ (𝐹( ≃ph‘𝐽)𝐻 → ((𝐹‘0) = (𝐻‘0) ∧ (𝐹‘1) = (𝐻‘1))) | |
14 | 1, 13 | syl 17 | . . . . 5 ⊢ (𝜑 → ((𝐹‘0) = (𝐻‘0) ∧ (𝐹‘1) = (𝐻‘1))) |
15 | 14 | simprd 495 | . . . 4 ⊢ (𝜑 → (𝐹‘1) = (𝐻‘1)) |
16 | phtpc01 24065 | . . . . . 6 ⊢ (𝐺( ≃ph‘𝐽)𝐾 → ((𝐺‘0) = (𝐾‘0) ∧ (𝐺‘1) = (𝐾‘1))) | |
17 | 5, 16 | syl 17 | . . . . 5 ⊢ (𝜑 → ((𝐺‘0) = (𝐾‘0) ∧ (𝐺‘1) = (𝐾‘1))) |
18 | 17 | simpld 494 | . . . 4 ⊢ (𝜑 → (𝐺‘0) = (𝐾‘0)) |
19 | 9, 15, 18 | 3eqtr3d 2786 | . . 3 ⊢ (𝜑 → (𝐻‘1) = (𝐾‘0)) |
20 | 11, 12, 19 | pcocn 24086 | . 2 ⊢ (𝜑 → (𝐻(*𝑝‘𝐽)𝐾) ∈ (II Cn 𝐽)) |
21 | 3 | simp3d 1142 | . . . . 5 ⊢ (𝜑 → (𝐹(PHtpy‘𝐽)𝐻) ≠ ∅) |
22 | n0 4277 | . . . . 5 ⊢ ((𝐹(PHtpy‘𝐽)𝐻) ≠ ∅ ↔ ∃𝑚 𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻)) | |
23 | 21, 22 | sylib 217 | . . . 4 ⊢ (𝜑 → ∃𝑚 𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻)) |
24 | 7 | simp3d 1142 | . . . . 5 ⊢ (𝜑 → (𝐺(PHtpy‘𝐽)𝐾) ≠ ∅) |
25 | n0 4277 | . . . . 5 ⊢ ((𝐺(PHtpy‘𝐽)𝐾) ≠ ∅ ↔ ∃𝑛 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾)) | |
26 | 24, 25 | sylib 217 | . . . 4 ⊢ (𝜑 → ∃𝑛 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾)) |
27 | exdistrv 1960 | . . . 4 ⊢ (∃𝑚∃𝑛(𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾)) ↔ (∃𝑚 𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ ∃𝑛 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾))) | |
28 | 23, 26, 27 | sylanbrc 582 | . . 3 ⊢ (𝜑 → ∃𝑚∃𝑛(𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾))) |
29 | 9 | adantr 480 | . . . . . . 7 ⊢ ((𝜑 ∧ (𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾))) → (𝐹‘1) = (𝐺‘0)) |
30 | 1 | adantr 480 | . . . . . . 7 ⊢ ((𝜑 ∧ (𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾))) → 𝐹( ≃ph‘𝐽)𝐻) |
31 | 5 | adantr 480 | . . . . . . 7 ⊢ ((𝜑 ∧ (𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾))) → 𝐺( ≃ph‘𝐽)𝐾) |
32 | eqid 2738 | . . . . . . 7 ⊢ (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ if(𝑥 ≤ (1 / 2), ((2 · 𝑥)𝑚𝑦), (((2 · 𝑥) − 1)𝑛𝑦))) = (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ if(𝑥 ≤ (1 / 2), ((2 · 𝑥)𝑚𝑦), (((2 · 𝑥) − 1)𝑛𝑦))) | |
33 | simprl 767 | . . . . . . 7 ⊢ ((𝜑 ∧ (𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾))) → 𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻)) | |
34 | simprr 769 | . . . . . . 7 ⊢ ((𝜑 ∧ (𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾))) → 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾)) | |
35 | 29, 30, 31, 32, 33, 34 | pcohtpylem 24088 | . . . . . 6 ⊢ ((𝜑 ∧ (𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾))) → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ if(𝑥 ≤ (1 / 2), ((2 · 𝑥)𝑚𝑦), (((2 · 𝑥) − 1)𝑛𝑦))) ∈ ((𝐹(*𝑝‘𝐽)𝐺)(PHtpy‘𝐽)(𝐻(*𝑝‘𝐽)𝐾))) |
36 | 35 | ne0d 4266 | . . . . 5 ⊢ ((𝜑 ∧ (𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾))) → ((𝐹(*𝑝‘𝐽)𝐺)(PHtpy‘𝐽)(𝐻(*𝑝‘𝐽)𝐾)) ≠ ∅) |
37 | 36 | ex 412 | . . . 4 ⊢ (𝜑 → ((𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾)) → ((𝐹(*𝑝‘𝐽)𝐺)(PHtpy‘𝐽)(𝐻(*𝑝‘𝐽)𝐾)) ≠ ∅)) |
38 | 37 | exlimdvv 1938 | . . 3 ⊢ (𝜑 → (∃𝑚∃𝑛(𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾)) → ((𝐹(*𝑝‘𝐽)𝐺)(PHtpy‘𝐽)(𝐻(*𝑝‘𝐽)𝐾)) ≠ ∅)) |
39 | 28, 38 | mpd 15 | . 2 ⊢ (𝜑 → ((𝐹(*𝑝‘𝐽)𝐺)(PHtpy‘𝐽)(𝐻(*𝑝‘𝐽)𝐾)) ≠ ∅) |
40 | isphtpc 24063 | . 2 ⊢ ((𝐹(*𝑝‘𝐽)𝐺)( ≃ph‘𝐽)(𝐻(*𝑝‘𝐽)𝐾) ↔ ((𝐹(*𝑝‘𝐽)𝐺) ∈ (II Cn 𝐽) ∧ (𝐻(*𝑝‘𝐽)𝐾) ∈ (II Cn 𝐽) ∧ ((𝐹(*𝑝‘𝐽)𝐺)(PHtpy‘𝐽)(𝐻(*𝑝‘𝐽)𝐾)) ≠ ∅)) | |
41 | 10, 20, 39, 40 | syl3anbrc 1341 | 1 ⊢ (𝜑 → (𝐹(*𝑝‘𝐽)𝐺)( ≃ph‘𝐽)(𝐻(*𝑝‘𝐽)𝐾)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1085 = wceq 1539 ∃wex 1783 ∈ wcel 2108 ≠ wne 2942 ∅c0 4253 ifcif 4456 class class class wbr 5070 ‘cfv 6418 (class class class)co 7255 ∈ cmpo 7257 0cc0 10802 1c1 10803 · cmul 10807 ≤ cle 10941 − cmin 11135 / cdiv 11562 2c2 11958 [,]cicc 13011 Cn ccn 22283 IIcii 23944 PHtpycphtpy 24037 ≃phcphtpc 24038 *𝑝cpco 24069 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 ax-pre-sup 10880 ax-mulf 10882 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-iin 4924 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-se 5536 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-isom 6427 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-of 7511 df-om 7688 df-1st 7804 df-2nd 7805 df-supp 7949 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-2o 8268 df-er 8456 df-map 8575 df-ixp 8644 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-fsupp 9059 df-fi 9100 df-sup 9131 df-inf 9132 df-oi 9199 df-card 9628 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-nn 11904 df-2 11966 df-3 11967 df-4 11968 df-5 11969 df-6 11970 df-7 11971 df-8 11972 df-9 11973 df-n0 12164 df-z 12250 df-dec 12367 df-uz 12512 df-q 12618 df-rp 12660 df-xneg 12777 df-xadd 12778 df-xmul 12779 df-ioo 13012 df-icc 13015 df-fz 13169 df-fzo 13312 df-seq 13650 df-exp 13711 df-hash 13973 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 df-struct 16776 df-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-ress 16868 df-plusg 16901 df-mulr 16902 df-starv 16903 df-sca 16904 df-vsca 16905 df-ip 16906 df-tset 16907 df-ple 16908 df-ds 16910 df-unif 16911 df-hom 16912 df-cco 16913 df-rest 17050 df-topn 17051 df-0g 17069 df-gsum 17070 df-topgen 17071 df-pt 17072 df-prds 17075 df-xrs 17130 df-qtop 17135 df-imas 17136 df-xps 17138 df-mre 17212 df-mrc 17213 df-acs 17215 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-submnd 18346 df-mulg 18616 df-cntz 18838 df-cmn 19303 df-psmet 20502 df-xmet 20503 df-met 20504 df-bl 20505 df-mopn 20506 df-cnfld 20511 df-top 21951 df-topon 21968 df-topsp 21990 df-bases 22004 df-cld 22078 df-cn 22286 df-cnp 22287 df-tx 22621 df-hmeo 22814 df-xms 23381 df-ms 23382 df-tms 23383 df-ii 23946 df-htpy 24039 df-phtpy 24040 df-phtpc 24061 df-pco 24074 |
This theorem is referenced by: pcophtb 24098 pi1cpbl 24113 pi1xfrf 24122 pi1xfr 24124 pi1xfrcnvlem 24125 |
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