Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
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 24157 | . . . . 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 1141 | . . 3 ⊢ (𝜑 → 𝐹 ∈ (II Cn 𝐽)) |
5 | pcohtpy.6 | . . . . 5 ⊢ (𝜑 → 𝐺( ≃ph‘𝐽)𝐾) | |
6 | isphtpc 24157 | . . . . 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 1141 | . . 3 ⊢ (𝜑 → 𝐺 ∈ (II Cn 𝐽)) |
9 | pcohtpy.4 | . . 3 ⊢ (𝜑 → (𝐹‘1) = (𝐺‘0)) | |
10 | 4, 8, 9 | pcocn 24180 | . 2 ⊢ (𝜑 → (𝐹(*𝑝‘𝐽)𝐺) ∈ (II Cn 𝐽)) |
11 | 3 | simp2d 1142 | . . 3 ⊢ (𝜑 → 𝐻 ∈ (II Cn 𝐽)) |
12 | 7 | simp2d 1142 | . . 3 ⊢ (𝜑 → 𝐾 ∈ (II Cn 𝐽)) |
13 | phtpc01 24159 | . . . . . 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 496 | . . . 4 ⊢ (𝜑 → (𝐹‘1) = (𝐻‘1)) |
16 | phtpc01 24159 | . . . . . 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 495 | . . . 4 ⊢ (𝜑 → (𝐺‘0) = (𝐾‘0)) |
19 | 9, 15, 18 | 3eqtr3d 2786 | . . 3 ⊢ (𝜑 → (𝐻‘1) = (𝐾‘0)) |
20 | 11, 12, 19 | pcocn 24180 | . 2 ⊢ (𝜑 → (𝐻(*𝑝‘𝐽)𝐾) ∈ (II Cn 𝐽)) |
21 | 3 | simp3d 1143 | . . . . 5 ⊢ (𝜑 → (𝐹(PHtpy‘𝐽)𝐻) ≠ ∅) |
22 | n0 4280 | . . . . 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 1143 | . . . . 5 ⊢ (𝜑 → (𝐺(PHtpy‘𝐽)𝐾) ≠ ∅) |
25 | n0 4280 | . . . . 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 1959 | . . . 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 583 | . . 3 ⊢ (𝜑 → ∃𝑚∃𝑛(𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾))) |
29 | 9 | adantr 481 | . . . . . . 7 ⊢ ((𝜑 ∧ (𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾))) → (𝐹‘1) = (𝐺‘0)) |
30 | 1 | adantr 481 | . . . . . . 7 ⊢ ((𝜑 ∧ (𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾))) → 𝐹( ≃ph‘𝐽)𝐻) |
31 | 5 | adantr 481 | . . . . . . 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 768 | . . . . . . 7 ⊢ ((𝜑 ∧ (𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻) ∧ 𝑛 ∈ (𝐺(PHtpy‘𝐽)𝐾))) → 𝑚 ∈ (𝐹(PHtpy‘𝐽)𝐻)) | |
34 | simprr 770 | . . . . . . 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 24182 | . . . . . 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 4269 | . . . . 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 413 | . . . 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 1937 | . . 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 24157 | . 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 1342 | 1 ⊢ (𝜑 → (𝐹(*𝑝‘𝐽)𝐺)( ≃ph‘𝐽)(𝐻(*𝑝‘𝐽)𝐾)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1086 = wceq 1539 ∃wex 1782 ∈ wcel 2106 ≠ wne 2943 ∅c0 4256 ifcif 4459 class class class wbr 5074 ‘cfv 6433 (class class class)co 7275 ∈ cmpo 7277 0cc0 10871 1c1 10872 · cmul 10876 ≤ cle 11010 − cmin 11205 / cdiv 11632 2c2 12028 [,]cicc 13082 Cn ccn 22375 IIcii 24038 PHtpycphtpy 24131 ≃phcphtpc 24132 *𝑝cpco 24163 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 ax-pre-sup 10949 ax-mulf 10951 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-iin 4927 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-se 5545 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-isom 6442 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-of 7533 df-om 7713 df-1st 7831 df-2nd 7832 df-supp 7978 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-2o 8298 df-er 8498 df-map 8617 df-ixp 8686 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-fsupp 9129 df-fi 9170 df-sup 9201 df-inf 9202 df-oi 9269 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-2 12036 df-3 12037 df-4 12038 df-5 12039 df-6 12040 df-7 12041 df-8 12042 df-9 12043 df-n0 12234 df-z 12320 df-dec 12438 df-uz 12583 df-q 12689 df-rp 12731 df-xneg 12848 df-xadd 12849 df-xmul 12850 df-ioo 13083 df-icc 13086 df-fz 13240 df-fzo 13383 df-seq 13722 df-exp 13783 df-hash 14045 df-cj 14810 df-re 14811 df-im 14812 df-sqrt 14946 df-abs 14947 df-struct 16848 df-sets 16865 df-slot 16883 df-ndx 16895 df-base 16913 df-ress 16942 df-plusg 16975 df-mulr 16976 df-starv 16977 df-sca 16978 df-vsca 16979 df-ip 16980 df-tset 16981 df-ple 16982 df-ds 16984 df-unif 16985 df-hom 16986 df-cco 16987 df-rest 17133 df-topn 17134 df-0g 17152 df-gsum 17153 df-topgen 17154 df-pt 17155 df-prds 17158 df-xrs 17213 df-qtop 17218 df-imas 17219 df-xps 17221 df-mre 17295 df-mrc 17296 df-acs 17298 df-mgm 18326 df-sgrp 18375 df-mnd 18386 df-submnd 18431 df-mulg 18701 df-cntz 18923 df-cmn 19388 df-psmet 20589 df-xmet 20590 df-met 20591 df-bl 20592 df-mopn 20593 df-cnfld 20598 df-top 22043 df-topon 22060 df-topsp 22082 df-bases 22096 df-cld 22170 df-cn 22378 df-cnp 22379 df-tx 22713 df-hmeo 22906 df-xms 23473 df-ms 23474 df-tms 23475 df-ii 24040 df-htpy 24133 df-phtpy 24134 df-phtpc 24155 df-pco 24168 |
This theorem is referenced by: pcophtb 24192 pi1cpbl 24207 pi1xfrf 24216 pi1xfr 24218 pi1xfrcnvlem 24219 |
Copyright terms: Public domain | W3C validator |