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| Mirrors > Home > MPE Home > Th. List > phtpyid | Structured version Visualization version GIF version | ||
| Description: A homotopy from a path to itself. (Contributed by Jeff Madsen, 2-Sep-2009.) (Revised by Mario Carneiro, 23-Feb-2015.) |
| Ref | Expression |
|---|---|
| phtpyid.1 | ⊢ 𝐺 = (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (𝐹‘𝑥)) |
| phtpyid.3 | ⊢ (𝜑 → 𝐹 ∈ (II Cn 𝐽)) |
| Ref | Expression |
|---|---|
| phtpyid | ⊢ (𝜑 → 𝐺 ∈ (𝐹(PHtpy‘𝐽)𝐹)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | phtpyid.3 | . 2 ⊢ (𝜑 → 𝐹 ∈ (II Cn 𝐽)) | |
| 2 | phtpyid.1 | . . 3 ⊢ 𝐺 = (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (𝐹‘𝑥)) | |
| 3 | iitopon 25255 | . . . 4 ⊢ II ∈ (TopOn‘(0[,]1)) | |
| 4 | 3 | a1i 11 | . . 3 ⊢ (𝜑 → II ∈ (TopOn‘(0[,]1))) |
| 5 | 2, 4, 1 | htpyid 25353 | . 2 ⊢ (𝜑 → 𝐺 ∈ (𝐹(II Htpy 𝐽)𝐹)) |
| 6 | 0elunit 13640 | . . . 4 ⊢ 0 ∈ (0[,]1) | |
| 7 | fveq2 6916 | . . . . 5 ⊢ (𝑥 = 0 → (𝐹‘𝑥) = (𝐹‘0)) | |
| 8 | eqidd 2764 | . . . . 5 ⊢ (𝑦 = 𝑠 → (𝐹‘0) = (𝐹‘0)) | |
| 9 | fvex 6929 | . . . . 5 ⊢ (𝐹‘0) ∈ V | |
| 10 | 7, 8, 2, 9 | ovmpo 7612 | . . . 4 ⊢ ((0 ∈ (0[,]1) ∧ 𝑠 ∈ (0[,]1)) → (0𝐺𝑠) = (𝐹‘0)) |
| 11 | 6, 10 | mpan 703 | . . 3 ⊢ (𝑠 ∈ (0[,]1) → (0𝐺𝑠) = (𝐹‘0)) |
| 12 | 11 | adantl 487 | . 2 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (0𝐺𝑠) = (𝐹‘0)) |
| 13 | 1elunit 13641 | . . . 4 ⊢ 1 ∈ (0[,]1) | |
| 14 | fveq2 6916 | . . . . 5 ⊢ (𝑥 = 1 → (𝐹‘𝑥) = (𝐹‘1)) | |
| 15 | eqidd 2764 | . . . . 5 ⊢ (𝑦 = 𝑠 → (𝐹‘1) = (𝐹‘1)) | |
| 16 | fvex 6929 | . . . . 5 ⊢ (𝐹‘1) ∈ V | |
| 17 | 14, 15, 2, 16 | ovmpo 7612 | . . . 4 ⊢ ((1 ∈ (0[,]1) ∧ 𝑠 ∈ (0[,]1)) → (1𝐺𝑠) = (𝐹‘1)) |
| 18 | 13, 17 | mpan 703 | . . 3 ⊢ (𝑠 ∈ (0[,]1) → (1𝐺𝑠) = (𝐹‘1)) |
| 19 | 18 | adantl 487 | . 2 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (1𝐺𝑠) = (𝐹‘1)) |
| 20 | 1, 1, 5, 12, 19 | isphtpyd 25362 | 1 ⊢ (𝜑 → 𝐺 ∈ (𝐹(PHtpy‘𝐽)𝐹)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 ‘cfv 6566 (class class class)co 7451 ∈ cmpo 7453 0cc0 11239 1c1 11240 [,]cicc 13519 TopOnctopon 23283 Cn ccn 23597 IIcii 25251 PHtpycphtpy 25344 |
| 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 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 ax-pre-sup 11317 |
| 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 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-om 7912 df-1st 8035 df-2nd 8036 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-er 8755 df-map 8887 df-en 9012 df-dom 9013 df-sdom 9014 df-sup 9471 df-inf 9472 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-div 12014 df-nn 12376 df-2 12445 df-3 12446 df-n0 12647 df-z 12734 df-uz 13006 df-q 13116 df-rp 13161 df-xneg 13281 df-xadd 13282 df-xmul 13283 df-icc 13523 df-seq 14185 df-exp 14245 df-cj 15309 df-re 15310 df-im 15311 df-sqrt 15445 df-abs 15446 df-topgen 17664 df-psmet 21721 df-xmet 21722 df-met 21723 df-bl 21724 df-mopn 21725 df-top 23267 df-topon 23284 df-bases 23319 df-cn 23600 df-tx 23936 df-ii 25253 df-htpy 25346 df-phtpy 25347 |
| This theorem is used by: phtpcer 25371 |
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