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| Mirrors > Home > MPE Home > Th. List > phtpcco2 | Structured version Visualization version GIF version | ||
| Description: Compose a path homotopy with a continuous map. (Contributed by Mario Carneiro, 6-Jul-2015.) |
| Ref | Expression |
|---|---|
| phtpcco2.f | ⊢ (𝜑 → 𝐹( ≃ph‘𝐽)𝐺) |
| phtpcco2.p | ⊢ (𝜑 → 𝑃 ∈ (𝐽 Cn 𝐾)) |
| Ref | Expression |
|---|---|
| phtpcco2 | ⊢ (𝜑 → (𝑃 ∘ 𝐹)( ≃ph‘𝐾)(𝑃 ∘ 𝐺)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | phtpcco2.f | . . . . 5 ⊢ (𝜑 → 𝐹( ≃ph‘𝐽)𝐺) | |
| 2 | isphtpc 25345 | . . . . 5 ⊢ (𝐹( ≃ph‘𝐽)𝐺 ↔ (𝐹 ∈ (II Cn 𝐽) ∧ 𝐺 ∈ (II Cn 𝐽) ∧ (𝐹(PHtpy‘𝐽)𝐺) ≠ ∅)) | |
| 3 | 1, 2 | sylib 221 | . . . 4 ⊢ (𝜑 → (𝐹 ∈ (II Cn 𝐽) ∧ 𝐺 ∈ (II Cn 𝐽) ∧ (𝐹(PHtpy‘𝐽)𝐺) ≠ ∅)) |
| 4 | 3 | simp1d 1160 | . . 3 ⊢ (𝜑 → 𝐹 ∈ (II Cn 𝐽)) |
| 5 | phtpcco2.p | . . 3 ⊢ (𝜑 → 𝑃 ∈ (𝐽 Cn 𝐾)) | |
| 6 | cnco 23614 | . . 3 ⊢ ((𝐹 ∈ (II Cn 𝐽) ∧ 𝑃 ∈ (𝐽 Cn 𝐾)) → (𝑃 ∘ 𝐹) ∈ (II Cn 𝐾)) | |
| 7 | 4, 5, 6 | syl2anc 596 | . 2 ⊢ (𝜑 → (𝑃 ∘ 𝐹) ∈ (II Cn 𝐾)) |
| 8 | 3 | simp2d 1161 | . . 3 ⊢ (𝜑 → 𝐺 ∈ (II Cn 𝐽)) |
| 9 | cnco 23614 | . . 3 ⊢ ((𝐺 ∈ (II Cn 𝐽) ∧ 𝑃 ∈ (𝐽 Cn 𝐾)) → (𝑃 ∘ 𝐺) ∈ (II Cn 𝐾)) | |
| 10 | 8, 5, 9 | syl2anc 596 | . 2 ⊢ (𝜑 → (𝑃 ∘ 𝐺) ∈ (II Cn 𝐾)) |
| 11 | 3 | simp3d 1162 | . . . 4 ⊢ (𝜑 → (𝐹(PHtpy‘𝐽)𝐺) ≠ ∅) |
| 12 | n0 4303 | . . . 4 ⊢ ((𝐹(PHtpy‘𝐽)𝐺) ≠ ∅ ↔ ∃𝑓 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) | |
| 13 | 11, 12 | sylib 221 | . . 3 ⊢ (𝜑 → ∃𝑓 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) |
| 14 | 4 | adantr 486 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝐹 ∈ (II Cn 𝐽)) |
| 15 | 8 | adantr 486 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝐺 ∈ (II Cn 𝐽)) |
| 16 | 5 | adantr 486 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝑃 ∈ (𝐽 Cn 𝐾)) |
| 17 | simpr 490 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) | |
| 18 | 14, 15, 16, 17 | phtpyco2 25341 | . . . 4 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → (𝑃 ∘ 𝑓) ∈ ((𝑃 ∘ 𝐹)(PHtpy‘𝐾)(𝑃 ∘ 𝐺))) |
| 19 | 18 | ne0d 4291 | . . 3 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → ((𝑃 ∘ 𝐹)(PHtpy‘𝐾)(𝑃 ∘ 𝐺)) ≠ ∅) |
| 20 | 13, 19 | exlimddv 1970 | . 2 ⊢ (𝜑 → ((𝑃 ∘ 𝐹)(PHtpy‘𝐾)(𝑃 ∘ 𝐺)) ≠ ∅) |
| 21 | isphtpc 25345 | . 2 ⊢ ((𝑃 ∘ 𝐹)( ≃ph‘𝐾)(𝑃 ∘ 𝐺) ↔ ((𝑃 ∘ 𝐹) ∈ (II Cn 𝐾) ∧ (𝑃 ∘ 𝐺) ∈ (II Cn 𝐾) ∧ ((𝑃 ∘ 𝐹)(PHtpy‘𝐾)(𝑃 ∘ 𝐺)) ≠ ∅)) | |
| 22 | 7, 10, 20, 21 | syl3anbrc 1362 | 1 ⊢ (𝜑 → (𝑃 ∘ 𝐹)( ≃ph‘𝐾)(𝑃 ∘ 𝐺)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 ∃wex 1812 ∈ wcel 2147 ≠ wne 2959 ∅c0 4281 class class class wbr 5106 ∘ ccom 5659 ‘cfv 6558 (class class class)co 7443 Cn ccn 23572 IIcii 25226 PHtpycphtpy 25319 ≃phcphtpc 25320 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-cnex 11283 ax-resscn 11284 ax-1cn 11285 ax-icn 11286 ax-addcl 11287 ax-addrcl 11288 ax-mulcl 11289 ax-mulrcl 11290 ax-mulcom 11291 ax-addass 11292 ax-mulass 11293 ax-distr 11294 ax-i2m1 11295 ax-1ne0 11296 ax-1rid 11297 ax-rnegex 11298 ax-rrecex 11299 ax-cnre 11300 ax-pre-lttri 11301 ax-pre-lttrn 11302 ax-pre-ltadd 11303 ax-pre-mulgt0 11304 ax-pre-sup 11305 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6322 df-ord 6383 df-on 6384 df-lim 6385 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-riota 7400 df-ov 7446 df-oprab 7447 df-mpo 7448 df-om 7902 df-1st 8025 df-2nd 8026 df-frecs 8327 df-wrecs 8358 df-recs 8407 df-rdg 8446 df-er 8745 df-map 8877 df-en 9002 df-dom 9003 df-sdom 9004 df-sup 9461 df-inf 9462 df-pnf 11372 df-mnf 11373 df-xr 11374 df-ltxr 11375 df-le 11376 df-sub 11570 df-neg 11571 df-div 12001 df-nn 12363 df-2 12432 df-3 12433 df-n0 12634 df-z 12721 df-uz 12993 df-q 13103 df-rp 13148 df-xneg 13268 df-xadd 13269 df-xmul 13270 df-icc 13510 df-seq 14172 df-exp 14232 df-cj 15295 df-re 15296 df-im 15297 df-sqrt 15431 df-abs 15432 df-topgen 17643 df-psmet 21700 df-xmet 21701 df-met 21702 df-bl 21703 df-mopn 21704 df-top 23242 df-topon 23259 df-bases 23294 df-cn 23575 df-tx 23911 df-ii 25228 df-htpy 25321 df-phtpy 25322 df-phtpc 25343 |
| This theorem is used by: pi1cof 25410 cvmlift3lem1 36251 |
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