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Theorem phtpyhtpy 25283
Description: A path homotopy is a homotopy. (Contributed by Mario Carneiro, 23-Feb-2015.)
Hypotheses
Ref Expression
isphtpy.2 (𝜑 → 𝐹 ∈ (II Cn 𝐽))
isphtpy.3 (𝜑 → 𝐺 ∈ (II Cn 𝐽))
Assertion
Ref Expression
phtpyhtpy (𝜑 → (𝐹(PHtpy‘𝐽)𝐺) ⊆ (𝐹(II Htpy 𝐽)𝐺))

Proof of Theorem phtpyhtpy
Dummy variables 𝑠 ℎ are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 isphtpy.2 . . . 4 (𝜑 → 𝐹 ∈ (II Cn 𝐽))
2 isphtpy.3 . . . 4 (𝜑 → 𝐺 ∈ (II Cn 𝐽))
31, 2isphtpy 25282 . . 3 (𝜑 → (ℎ ∈ (𝐹(PHtpy‘𝐽)𝐺) ↔ (ℎ ∈ (𝐹(II Htpy 𝐽)𝐺) ∧ ∀𝑠 ∈ (0[,]1)((0ℎ𝑠) = (𝐹‘0) ∧ (1ℎ𝑠) = (𝐹‘1)))))
4 simpl 488 . . 3 ((ℎ ∈ (𝐹(II Htpy 𝐽)𝐺) ∧ ∀𝑠 ∈ (0[,]1)((0ℎ𝑠) = (𝐹‘0) ∧ (1ℎ𝑠) = (𝐹‘1))) → ℎ ∈ (𝐹(II Htpy 𝐽)𝐺))
53, 4biimtrdi 256 . 2 (𝜑 → (ℎ ∈ (𝐹(PHtpy‘𝐽)𝐺) → ℎ ∈ (𝐹(II Htpy 𝐽)𝐺)))
65ssrdv 3937 1 (𝜑 → (𝐹(PHtpy‘𝐽)𝐺) ⊆ (𝐹(II Htpy 𝐽)𝐺))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ∧ wa 401   = wceq 1570   ∈ wcel 2145  ∀wral 3077   ⊆ wss 3899  ‘cfv 6531  (class class class)co 7412  0cc0 11181  1c1 11182  [,]cicc 13460   Cn ccn 23522  IIcii 25176   Htpy chtpy 25268  PHtpycphtpy 25269
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 2213  ax-ext 2733  ax-rep 5232  ax-sep 5249  ax-nul 5260  ax-pow 5327  ax-pr 5391  ax-un 7740
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-ral 3078  df-rex 3088  df-reu 3367  df-rab 3414  df-v 3453  df-sbc 3740  df-csb 3848  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-iun 4953  df-br 5104  df-opab 5168  df-mpt 5187  df-id 5546  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664  df-iota 6487  df-fun 6533  df-fn 6534  df-f 6535  df-f1 6536  df-fo 6537  df-f1o 6538  df-fv 6539  df-ov 7415  df-oprab 7416  df-mpo 7417  df-1st 7990  df-2nd 7991  df-map 8833  df-top 23192  df-topon 23209  df-cn 23525  df-phtpy 25272
This theorem is used by:  phtpycn  25284  phtpy01  25286  phtpycom  25289  phtpyco2  25291  phtpycc  25292  pcohtpylem  25320  txsconnlem  35974  cvmliftphtlem  36051
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