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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 25025 | . . . . 5 ⊢ (𝐹( ≃ph‘𝐽)𝐺 ↔ (𝐹 ∈ (II Cn 𝐽) ∧ 𝐺 ∈ (II Cn 𝐽) ∧ (𝐹(PHtpy‘𝐽)𝐺) ≠ ∅)) | |
| 3 | 1, 2 | sylib 220 | . . . 4 ⊢ (𝜑 → (𝐹 ∈ (II Cn 𝐽) ∧ 𝐺 ∈ (II Cn 𝐽) ∧ (𝐹(PHtpy‘𝐽)𝐺) ≠ ∅)) |
| 4 | 3 | simp1d 1151 | . . 3 ⊢ (𝜑 → 𝐹 ∈ (II Cn 𝐽)) |
| 5 | phtpcco2.p | . . 3 ⊢ (𝜑 → 𝑃 ∈ (𝐽 Cn 𝐾)) | |
| 6 | cnco 23295 | . . 3 ⊢ ((𝐹 ∈ (II Cn 𝐽) ∧ 𝑃 ∈ (𝐽 Cn 𝐾)) → (𝑃 ∘ 𝐹) ∈ (II Cn 𝐾)) | |
| 7 | 4, 5, 6 | syl2anc 592 | . 2 ⊢ (𝜑 → (𝑃 ∘ 𝐹) ∈ (II Cn 𝐾)) |
| 8 | 3 | simp2d 1152 | . . 3 ⊢ (𝜑 → 𝐺 ∈ (II Cn 𝐽)) |
| 9 | cnco 23295 | . . 3 ⊢ ((𝐺 ∈ (II Cn 𝐽) ∧ 𝑃 ∈ (𝐽 Cn 𝐾)) → (𝑃 ∘ 𝐺) ∈ (II Cn 𝐾)) | |
| 10 | 8, 5, 9 | syl2anc 592 | . 2 ⊢ (𝜑 → (𝑃 ∘ 𝐺) ∈ (II Cn 𝐾)) |
| 11 | 3 | simp3d 1153 | . . . 4 ⊢ (𝜑 → (𝐹(PHtpy‘𝐽)𝐺) ≠ ∅) |
| 12 | n0 4296 | . . . 4 ⊢ ((𝐹(PHtpy‘𝐽)𝐺) ≠ ∅ ↔ ∃𝑓 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) | |
| 13 | 11, 12 | sylib 220 | . . 3 ⊢ (𝜑 → ∃𝑓 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) |
| 14 | 4 | adantr 483 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝐹 ∈ (II Cn 𝐽)) |
| 15 | 8 | adantr 483 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝐺 ∈ (II Cn 𝐽)) |
| 16 | 5 | adantr 483 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝑃 ∈ (𝐽 Cn 𝐾)) |
| 17 | simpr 487 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) | |
| 18 | 14, 15, 16, 17 | phtpyco2 25021 | . . . 4 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → (𝑃 ∘ 𝑓) ∈ ((𝑃 ∘ 𝐹)(PHtpy‘𝐾)(𝑃 ∘ 𝐺))) |
| 19 | 18 | ne0d 4285 | . . 3 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → ((𝑃 ∘ 𝐹)(PHtpy‘𝐾)(𝑃 ∘ 𝐺)) ≠ ∅) |
| 20 | 13, 19 | exlimddv 1945 | . 2 ⊢ (𝜑 → ((𝑃 ∘ 𝐹)(PHtpy‘𝐾)(𝑃 ∘ 𝐺)) ≠ ∅) |
| 21 | isphtpc 25025 | . 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 1353 | 1 ⊢ (𝜑 → (𝑃 ∘ 𝐹)( ≃ph‘𝐾)(𝑃 ∘ 𝐺)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 398 ∧ w3a 1095 ∃wex 1789 ∈ wcel 2132 ≠ wne 2947 ∅c0 4276 class class class wbr 5090 ∘ ccom 5640 ‘cfv 6506 (class class class)co 7381 Cn ccn 23253 IIcii 24906 PHtpycphtpy 24999 ≃phcphtpc 25000 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-10 2165 ax-11 2181 ax-12 2202 ax-ext 2724 ax-rep 5217 ax-sep 5236 ax-nul 5246 ax-pow 5312 ax-pr 5380 ax-un 7703 ax-cnex 11115 ax-resscn 11116 ax-1cn 11117 ax-icn 11118 ax-addcl 11119 ax-addrcl 11120 ax-mulcl 11121 ax-mulrcl 11122 ax-mulcom 11123 ax-addass 11124 ax-mulass 11125 ax-distr 11126 ax-i2m1 11127 ax-1ne0 11128 ax-1rid 11129 ax-rnegex 11130 ax-rrecex 11131 ax-cnre 11132 ax-pre-lttri 11133 ax-pre-lttrn 11134 ax-pre-ltadd 11135 ax-pre-mulgt0 11136 ax-pre-sup 11137 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1553 df-fal 1563 df-ex 1790 df-nf 1794 df-sb 2081 df-mo 2556 df-eu 2586 df-clab 2731 df-cleq 2744 df-clel 2827 df-nfc 2901 df-ne 2948 df-nel 3052 df-ral 3067 df-rex 3077 df-rmo 3357 df-reu 3358 df-rab 3405 df-v 3446 df-sbc 3736 df-csb 3844 df-dif 3898 df-un 3900 df-in 3902 df-ss 3912 df-pss 3915 df-nul 4277 df-if 4471 df-pw 4547 df-sn 4573 df-pr 4575 df-op 4579 df-uni 4856 df-iun 4941 df-br 5091 df-opab 5153 df-mpt 5172 df-tr 5198 df-id 5531 df-eprel 5536 df-po 5544 df-so 5545 df-fr 5589 df-we 5591 df-xp 5642 df-rel 5643 df-cnv 5644 df-co 5645 df-dm 5646 df-rn 5647 df-res 5648 df-ima 5649 df-pred 6273 df-ord 6334 df-on 6335 df-lim 6336 df-suc 6337 df-iota 6462 df-fun 6508 df-fn 6509 df-f 6510 df-f1 6511 df-fo 6512 df-f1o 6513 df-fv 6514 df-riota 7338 df-ov 7384 df-oprab 7385 df-mpo 7386 df-om 7832 df-1st 7955 df-2nd 7956 df-frecs 8246 df-wrecs 8277 df-recs 8326 df-rdg 8365 df-er 8662 df-map 8794 df-en 8913 df-dom 8914 df-sdom 8915 df-sup 9374 df-inf 9375 df-pnf 11204 df-mnf 11205 df-xr 11206 df-ltxr 11207 df-le 11208 df-sub 11402 df-neg 11403 df-div 11831 df-nn 12197 df-2 12266 df-3 12267 df-n0 12468 df-z 12555 df-uz 12826 df-q 12936 df-rp 12980 df-xneg 13100 df-xadd 13101 df-xmul 13102 df-icc 13342 df-seq 14001 df-exp 14061 df-cj 15098 df-re 15099 df-im 15100 df-sqrt 15234 df-abs 15235 df-topgen 17444 df-psmet 21385 df-xmet 21386 df-met 21387 df-bl 21388 df-mopn 21389 df-top 22923 df-topon 22940 df-bases 22975 df-cn 23256 df-tx 23591 df-ii 24908 df-htpy 25001 df-phtpy 25002 df-phtpc 25023 |
| This theorem is referenced by: pi1cof 25090 cvmlift3lem1 35607 |
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