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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 24157 | . . . . 5 ⊢ (𝐹( ≃ph‘𝐽)𝐺 ↔ (𝐹 ∈ (II Cn 𝐽) ∧ 𝐺 ∈ (II Cn 𝐽) ∧ (𝐹(PHtpy‘𝐽)𝐺) ≠ ∅)) | |
3 | 1, 2 | sylib 217 | . . . 4 ⊢ (𝜑 → (𝐹 ∈ (II Cn 𝐽) ∧ 𝐺 ∈ (II Cn 𝐽) ∧ (𝐹(PHtpy‘𝐽)𝐺) ≠ ∅)) |
4 | 3 | simp1d 1141 | . . 3 ⊢ (𝜑 → 𝐹 ∈ (II Cn 𝐽)) |
5 | phtpcco2.p | . . 3 ⊢ (𝜑 → 𝑃 ∈ (𝐽 Cn 𝐾)) | |
6 | cnco 22417 | . . 3 ⊢ ((𝐹 ∈ (II Cn 𝐽) ∧ 𝑃 ∈ (𝐽 Cn 𝐾)) → (𝑃 ∘ 𝐹) ∈ (II Cn 𝐾)) | |
7 | 4, 5, 6 | syl2anc 584 | . 2 ⊢ (𝜑 → (𝑃 ∘ 𝐹) ∈ (II Cn 𝐾)) |
8 | 3 | simp2d 1142 | . . 3 ⊢ (𝜑 → 𝐺 ∈ (II Cn 𝐽)) |
9 | cnco 22417 | . . 3 ⊢ ((𝐺 ∈ (II Cn 𝐽) ∧ 𝑃 ∈ (𝐽 Cn 𝐾)) → (𝑃 ∘ 𝐺) ∈ (II Cn 𝐾)) | |
10 | 8, 5, 9 | syl2anc 584 | . 2 ⊢ (𝜑 → (𝑃 ∘ 𝐺) ∈ (II Cn 𝐾)) |
11 | 3 | simp3d 1143 | . . . 4 ⊢ (𝜑 → (𝐹(PHtpy‘𝐽)𝐺) ≠ ∅) |
12 | n0 4280 | . . . 4 ⊢ ((𝐹(PHtpy‘𝐽)𝐺) ≠ ∅ ↔ ∃𝑓 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) | |
13 | 11, 12 | sylib 217 | . . 3 ⊢ (𝜑 → ∃𝑓 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) |
14 | 4 | adantr 481 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝐹 ∈ (II Cn 𝐽)) |
15 | 8 | adantr 481 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝐺 ∈ (II Cn 𝐽)) |
16 | 5 | adantr 481 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝑃 ∈ (𝐽 Cn 𝐾)) |
17 | simpr 485 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) | |
18 | 14, 15, 16, 17 | phtpyco2 24153 | . . . 4 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → (𝑃 ∘ 𝑓) ∈ ((𝑃 ∘ 𝐹)(PHtpy‘𝐾)(𝑃 ∘ 𝐺))) |
19 | 18 | ne0d 4269 | . . 3 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐹(PHtpy‘𝐽)𝐺)) → ((𝑃 ∘ 𝐹)(PHtpy‘𝐾)(𝑃 ∘ 𝐺)) ≠ ∅) |
20 | 13, 19 | exlimddv 1938 | . 2 ⊢ (𝜑 → ((𝑃 ∘ 𝐹)(PHtpy‘𝐾)(𝑃 ∘ 𝐺)) ≠ ∅) |
21 | isphtpc 24157 | . 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 1342 | 1 ⊢ (𝜑 → (𝑃 ∘ 𝐹)( ≃ph‘𝐾)(𝑃 ∘ 𝐺)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1086 ∃wex 1782 ∈ wcel 2106 ≠ wne 2943 ∅c0 4256 class class class wbr 5074 ∘ ccom 5593 ‘cfv 6433 (class class class)co 7275 Cn ccn 22375 IIcii 24038 PHtpycphtpy 24131 ≃phcphtpc 24132 |
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 |
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-op 4568 df-uni 4840 df-iun 4926 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-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-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-er 8498 df-map 8617 df-en 8734 df-dom 8735 df-sdom 8736 df-sup 9201 df-inf 9202 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-n0 12234 df-z 12320 df-uz 12583 df-q 12689 df-rp 12731 df-xneg 12848 df-xadd 12849 df-xmul 12850 df-icc 13086 df-seq 13722 df-exp 13783 df-cj 14810 df-re 14811 df-im 14812 df-sqrt 14946 df-abs 14947 df-topgen 17154 df-psmet 20589 df-xmet 20590 df-met 20591 df-bl 20592 df-mopn 20593 df-top 22043 df-topon 22060 df-bases 22096 df-cn 22378 df-tx 22713 df-ii 24040 df-htpy 24133 df-phtpy 24134 df-phtpc 24155 |
This theorem is referenced by: pi1cof 24222 cvmlift3lem1 33281 |
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