htpyco1 - Metamath Proof Explorer

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Theorem htpyco1 25212

Description: Compose a homotopy with a continuous map. (Contributed by Mario Carneiro, 10-Mar-2015.)

**Hypotheses**
Ref	Expression
htpyco1.n	⊢ 𝑁 = (𝑥 ∈ 𝑋, 𝑦 ∈ (0[,]1) ↦ ((𝑃‘𝑥)𝐻𝑦))
htpyco1.j	⊢ (𝜑 → 𝐽 ∈ (TopOn‘𝑋))
htpyco1.p	⊢ (𝜑 → 𝑃 ∈ (𝐽 Cn 𝐾))
htpyco1.f	⊢ (𝜑 → 𝐹 ∈ (𝐾 Cn 𝐿))
htpyco1.g	⊢ (𝜑 → 𝐺 ∈ (𝐾 Cn 𝐿))
htpyco1.h	⊢ (𝜑 → 𝐻 ∈ (𝐹(𝐾 Htpy 𝐿)𝐺))

**Assertion**
Ref	Expression
htpyco1	⊢ (𝜑 → 𝑁 ∈ ((𝐹 ∘ 𝑃)(𝐽 Htpy 𝐿)(𝐺 ∘ 𝑃)))

Distinct variable groups: 𝑥,𝑦,𝐻 𝑥,𝐾,𝑦 𝑥,𝐿,𝑦 𝜑,𝑥,𝑦 𝑥,𝐽,𝑦 𝑥,𝑃,𝑦 𝑥,𝑋,𝑦 Allowed substitution hints: 𝐹(𝑥, 𝑦) 𝐺(𝑥, 𝑦) 𝑁(𝑥, 𝑦)

Proof of Theorem htpyco1 Dummy variable 𝑠 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		htpyco1.j	. 2 ⊢ (𝜑 → 𝐽 ∈ (TopOn‘𝑋))
2		htpyco1.p	. . 3 ⊢ (𝜑 → 𝑃 ∈ (𝐽 Cn 𝐾))
3		htpyco1.f	. . 3 ⊢ (𝜑 → 𝐹 ∈ (𝐾 Cn 𝐿))
4		cnco 23497	. . 3 ⊢ ((𝑃 ∈ (𝐽 Cn 𝐾) ∧ 𝐹 ∈ (𝐾 Cn 𝐿)) → (𝐹 ∘ 𝑃) ∈ (𝐽 Cn 𝐿))
5	2, 3, 4	syl2anc 596	. 2 ⊢ (𝜑 → (𝐹 ∘ 𝑃) ∈ (𝐽 Cn 𝐿))
6		htpyco1.g	. . 3 ⊢ (𝜑 → 𝐺 ∈ (𝐾 Cn 𝐿))
7		cnco 23497	. . 3 ⊢ ((𝑃 ∈ (𝐽 Cn 𝐾) ∧ 𝐺 ∈ (𝐾 Cn 𝐿)) → (𝐺 ∘ 𝑃) ∈ (𝐽 Cn 𝐿))
8	2, 6, 7	syl2anc 596	. 2 ⊢ (𝜑 → (𝐺 ∘ 𝑃) ∈ (𝐽 Cn 𝐿))
9		htpyco1.n	. . 3 ⊢ 𝑁 = (𝑥 ∈ 𝑋, 𝑦 ∈ (0[,]1) ↦ ((𝑃‘𝑥)𝐻𝑦))
10		iitopon 25113	. . . . 5 ⊢ II ∈ (TopOn‘(0[,]1))
11	10	a1i 11	. . . 4 ⊢ (𝜑 → II ∈ (TopOn‘(0[,]1)))
12	1, 11	cnmpt1st 23900	. . . . 5 ⊢ (𝜑 → (𝑥 ∈ 𝑋, 𝑦 ∈ (0[,]1) ↦ 𝑥) ∈ ((𝐽 ×_t II) Cn 𝐽))
13	1, 11, 12, 2	cnmpt21f 23904	. . . 4 ⊢ (𝜑 → (𝑥 ∈ 𝑋, 𝑦 ∈ (0[,]1) ↦ (𝑃‘𝑥)) ∈ ((𝐽 ×_t II) Cn 𝐾))
14	1, 11	cnmpt2nd 23901	. . . 4 ⊢ (𝜑 → (𝑥 ∈ 𝑋, 𝑦 ∈ (0[,]1) ↦ 𝑦) ∈ ((𝐽 ×_t II) Cn II))
15		cntop2 23472	. . . . . . . 8 ⊢ (𝑃 ∈ (𝐽 Cn 𝐾) → 𝐾 ∈ Top)
16	2, 15	syl 18	. . . . . . 7 ⊢ (𝜑 → 𝐾 ∈ Top)
17		toptopon2 23149	. . . . . . 7 ⊢ (𝐾 ∈ Top ↔ 𝐾 ∈ (TopOn‘∪ 𝐾))
18	16, 17	sylib 221	. . . . . 6 ⊢ (𝜑 → 𝐾 ∈ (TopOn‘∪ 𝐾))
19	18, 3, 6	htpycn 25207	. . . . 5 ⊢ (𝜑 → (𝐹(𝐾 Htpy 𝐿)𝐺) ⊆ ((𝐾 ×_t II) Cn 𝐿))
20		htpyco1.h	. . . . 5 ⊢ (𝜑 → 𝐻 ∈ (𝐹(𝐾 Htpy 𝐿)𝐺))
21	19, 20	sseldd 3935	. . . 4 ⊢ (𝜑 → 𝐻 ∈ ((𝐾 ×_t II) Cn 𝐿))
22	1, 11, 13, 14, 21	cnmpt22f 23907	. . 3 ⊢ (𝜑 → (𝑥 ∈ 𝑋, 𝑦 ∈ (0[,]1) ↦ ((𝑃‘𝑥)𝐻𝑦)) ∈ ((𝐽 ×_t II) Cn 𝐿))
23	9, 22	eqeltrid 2866	. 2 ⊢ (𝜑 → 𝑁 ∈ ((𝐽 ×_t II) Cn 𝐿))
24		cnf2 23480	. . . . . . 7 ⊢ ((𝐽 ∈ (TopOn‘𝑋) ∧ 𝐾 ∈ (TopOn‘∪ 𝐾) ∧ 𝑃 ∈ (𝐽 Cn 𝐾)) → 𝑃:𝑋⟶∪ 𝐾)
25	1, 18, 2, 24	syl3anc 1398	. . . . . 6 ⊢ (𝜑 → 𝑃:𝑋⟶∪ 𝐾)
26	25	ffvelcdmda 7081	. . . . 5 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝑋) → (𝑃‘𝑠) ∈ ∪ 𝐾)
27	18, 3, 6, 20	htpyi 25208	. . . . 5 ⊢ ((𝜑 ∧ (𝑃‘𝑠) ∈ ∪ 𝐾) → (((𝑃‘𝑠)𝐻0) = (𝐹‘(𝑃‘𝑠)) ∧ ((𝑃‘𝑠)𝐻1) = (𝐺‘(𝑃‘𝑠))))
28	26, 27	syldan 603	. . . 4 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝑋) → (((𝑃‘𝑠)𝐻0) = (𝐹‘(𝑃‘𝑠)) ∧ ((𝑃‘𝑠)𝐻1) = (𝐺‘(𝑃‘𝑠))))
29	28	simpld 500	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝑋) → ((𝑃‘𝑠)𝐻0) = (𝐹‘(𝑃‘𝑠)))
30		simpr 490	. . . 4 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝑋) → 𝑠 ∈ 𝑋)
31		0elunit 13526	. . . 4 ⊢ 0 ∈ (0[,]1)
32		fveq2 6882	. . . . . 6 ⊢ (𝑥 = 𝑠 → (𝑃‘𝑥) = (𝑃‘𝑠))
33		id 23	. . . . . 6 ⊢ (𝑦 = 0 → 𝑦 = 0)
34	32, 33	oveqan12d 7436	. . . . 5 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 0) → ((𝑃‘𝑥)𝐻𝑦) = ((𝑃‘𝑠)𝐻0))
35		ovex 7450	. . . . 5 ⊢ ((𝑃‘𝑠)𝐻0) ∈ V
36	34, 9, 35	ovmpoa 7572	. . . 4 ⊢ ((𝑠 ∈ 𝑋 ∧ 0 ∈ (0[,]1)) → (𝑠𝑁0) = ((𝑃‘𝑠)𝐻0))
37	30, 31, 36	sylancl 598	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝑋) → (𝑠𝑁0) = ((𝑃‘𝑠)𝐻0))
38		fvco3 6982	. . . 4 ⊢ ((𝑃:𝑋⟶∪ 𝐾 ∧ 𝑠 ∈ 𝑋) → ((𝐹 ∘ 𝑃)‘𝑠) = (𝐹‘(𝑃‘𝑠)))
39	25, 38	sylan 592	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝑋) → ((𝐹 ∘ 𝑃)‘𝑠) = (𝐹‘(𝑃‘𝑠)))
40	29, 37, 39	3eqtr4d 2807	. 2 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝑋) → (𝑠𝑁0) = ((𝐹 ∘ 𝑃)‘𝑠))
41	28	simprd 501	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝑋) → ((𝑃‘𝑠)𝐻1) = (𝐺‘(𝑃‘𝑠)))
42		1elunit 13527	. . . 4 ⊢ 1 ∈ (0[,]1)
43		id 23	. . . . . 6 ⊢ (𝑦 = 1 → 𝑦 = 1)
44	32, 43	oveqan12d 7436	. . . . 5 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 1) → ((𝑃‘𝑥)𝐻𝑦) = ((𝑃‘𝑠)𝐻1))
45		ovex 7450	. . . . 5 ⊢ ((𝑃‘𝑠)𝐻1) ∈ V
46	44, 9, 45	ovmpoa 7572	. . . 4 ⊢ ((𝑠 ∈ 𝑋 ∧ 1 ∈ (0[,]1)) → (𝑠𝑁1) = ((𝑃‘𝑠)𝐻1))
47	30, 42, 46	sylancl 598	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝑋) → (𝑠𝑁1) = ((𝑃‘𝑠)𝐻1))
48		fvco3 6982	. . . 4 ⊢ ((𝑃:𝑋⟶∪ 𝐾 ∧ 𝑠 ∈ 𝑋) → ((𝐺 ∘ 𝑃)‘𝑠) = (𝐺‘(𝑃‘𝑠)))
49	25, 48	sylan 592	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝑋) → ((𝐺 ∘ 𝑃)‘𝑠) = (𝐺‘(𝑃‘𝑠)))
50	41, 47, 49	3eqtr4d 2807	. 2 ⊢ ((𝜑 ∧ 𝑠 ∈ 𝑋) → (𝑠𝑁1) = ((𝐺 ∘ 𝑃)‘𝑠))
51	1, 5, 8, 23, 40, 50	ishtpyd 25209	1 ⊢ (𝜑 → 𝑁 ∈ ((𝐹 ∘ 𝑃)(𝐽 Htpy 𝐿)(𝐺 ∘ 𝑃)))

Colors of variables: wff setvar class

This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∪ cuni 4870 ∘ ccom 5663 ⟶wf 6533 ‘cfv 6537 (class class class)co 7417 ∈ cmpo 7419 0cc0 11128 1c1 11129 [,]cicc 13405 Topctop 23124 TopOnctopon 23141 Cn ccn 23455 ×_t ctx 23792 IIcii 25109 Htpy chtpy 25201

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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 ax-cnex 11184 ax-resscn 11185 ax-1cn 11186 ax-icn 11187 ax-addcl 11188 ax-addrcl 11189 ax-mulcl 11190 ax-mulrcl 11191 ax-mulcom 11192 ax-addass 11193 ax-mulass 11194 ax-distr 11195 ax-i2m1 11196 ax-1ne0 11197 ax-1rid 11198 ax-rnegex 11199 ax-rrecex 11200 ax-cnre 11201 ax-pre-lttri 11202 ax-pre-lttrn 11203 ax-pre-ltadd 11204 ax-pre-mulgt0 11205 ax-pre-sup 11206

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 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7374 df-ov 7420 df-oprab 7421 df-mpo 7422 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-map 8832 df-en 8957 df-dom 8958 df-sdom 8959 df-sup 9416 df-inf 9417 df-pnf 11273 df-mnf 11274 df-xr 11275 df-ltxr 11276 df-le 11277 df-sub 11471 df-neg 11472 df-div 11900 df-nn 12262 df-2 12331 df-3 12332 df-n0 12533 df-z 12620 df-uz 12892 df-q 13002 df-rp 13047 df-xneg 13167 df-xadd 13168 df-xmul 13169 df-icc 13409 df-seq 14070 df-exp 14130 df-cj 15190 df-re 15191 df-im 15192 df-sqrt 15326 df-abs 15327 df-topgen 17534 df-psmet 21583 df-xmet 21584 df-met 21585 df-bl 21586 df-mopn 21587 df-top 23125 df-topon 23142 df-bases 23177 df-cn 23458 df-tx 23794 df-ii 25111 df-htpy 25204

This theorem is used by: (None)

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