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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 25132 | . . . . 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 1158 | . . 3 ⊢ (𝜑 → 𝐹 ∈ (II Cn 𝐽)) |
| 5 | phtpcco2.p | . . 3 ⊢ (𝜑 → 𝑃 ∈ (𝐽 Cn 𝐾)) | |
| 6 | cnco 23402 | . . 3 ⊢ ((𝐹 ∈ (II Cn 𝐽) ∧ 𝑃 ∈ (𝐽 Cn 𝐾)) → (𝑃 ∘ 𝐹) ∈ (II Cn 𝐾)) | |
| 7 | 4, 5, 6 | syl2anc 595 | . 2 ⊢ (𝜑 → (𝑃 ∘ 𝐹) ∈ (II Cn 𝐾)) |
| 8 | 3 | simp2d 1159 | . . 3 ⊢ (𝜑 → 𝐺 ∈ (II Cn 𝐽)) |
| 9 | cnco 23402 | . . 3 ⊢ ((𝐺 ∈ (II Cn 𝐽) ∧ 𝑃 ∈ (𝐽 Cn 𝐾)) → (𝑃 ∘ 𝐺) ∈ (II Cn 𝐾)) | |
| 10 | 8, 5, 9 | syl2anc 595 | . 2 ⊢ (𝜑 → (𝑃 ∘ 𝐺) ∈ (II Cn 𝐾)) |
| 11 | 3 | simp3d 1160 | . . . 4 ⊢ (𝜑 → (𝐹(PHtpy‘𝐽)𝐺) ≠ ∅) |
| 12 | n0 4306 | . . . 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 485 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝐹 ∈ (II Cn 𝐽)) |
| 15 | 8 | adantr 485 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝐺 ∈ (II Cn 𝐽)) |
| 16 | 5 | adantr 485 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝑃 ∈ (𝐽 Cn 𝐾)) |
| 17 | simpr 489 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) | |
| 18 | 14, 15, 16, 17 | phtpyco2 25128 | . . . 4 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → (𝑃 ∘ 𝑓) ∈ ((𝑃 ∘ 𝐹)(PHtpy‘𝐾)(𝑃 ∘ 𝐺))) |
| 19 | 18 | ne0d 4294 | . . 3 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → ((𝑃 ∘ 𝐹)(PHtpy‘𝐾)(𝑃 ∘ 𝐺)) ≠ ∅) |
| 20 | 13, 19 | exlimddv 1963 | . 2 ⊢ (𝜑 → ((𝑃 ∘ 𝐹)(PHtpy‘𝐾)(𝑃 ∘ 𝐺)) ≠ ∅) |
| 21 | isphtpc 25132 | . 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 1360 | 1 ⊢ (𝜑 → (𝑃 ∘ 𝐹)( ≃ph‘𝐾)(𝑃 ∘ 𝐺)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∧ w3a 1101 ∃wex 1807 ∈ wcel 2141 ≠ wne 2956 ∅c0 4285 class class class wbr 5108 ∘ ccom 5665 ‘cfv 6536 (class class class)co 7410 Cn ccn 23360 IIcii 25013 PHtpycphtpy 25106 ≃phcphtpc 25107 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5237 ax-sep 5256 ax-nul 5268 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11155 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-addrcl 11160 ax-mulcl 11161 ax-mulrcl 11162 ax-mulcom 11163 ax-addass 11164 ax-mulass 11165 ax-distr 11166 ax-i2m1 11167 ax-1ne0 11168 ax-1rid 11169 ax-rnegex 11170 ax-rrecex 11171 ax-cnre 11172 ax-pre-lttri 11173 ax-pre-lttrn 11174 ax-pre-ltadd 11175 ax-pre-mulgt0 11176 ax-pre-sup 11177 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-nf 1812 df-sb 2095 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-om 7862 df-1st 7985 df-2nd 7986 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-er 8693 df-map 8825 df-en 8943 df-dom 8944 df-sdom 8945 df-sup 9401 df-inf 9402 df-pnf 11244 df-mnf 11245 df-xr 11246 df-ltxr 11247 df-le 11248 df-sub 11442 df-neg 11443 df-div 11871 df-nn 12233 df-2 12302 df-3 12303 df-n0 12504 df-z 12591 df-uz 12862 df-q 12972 df-rp 13016 df-xneg 13136 df-xadd 13137 df-xmul 13138 df-icc 13378 df-seq 14038 df-exp 14098 df-cj 15150 df-re 15151 df-im 15152 df-sqrt 15286 df-abs 15287 df-topgen 17495 df-psmet 21493 df-xmet 21494 df-met 21495 df-bl 21496 df-mopn 21497 df-top 23030 df-topon 23047 df-bases 23082 df-cn 23363 df-tx 23698 df-ii 25015 df-htpy 25108 df-phtpy 25109 df-phtpc 25130 |
| This theorem is referenced by: pi1cof 25197 cvmlift3lem1 35777 |
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