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Theorem elhomai2 18235
Description: Produce an arrow from a morphism. (Contributed by Mario Carneiro, 11-Jan-2017.)
Hypotheses
Ref Expression
homarcl.h 𝐻 = (Homa‘𝐶)
homafval.b 𝐵 = (Base‘𝐶)
homafval.c (𝜑 → 𝐶 ∈ Cat)
homaval.j 𝐽 = (Hom ‘𝐶)
homaval.x (𝜑 → 𝑋 ∈ 𝐵)
homaval.y (𝜑 → 𝑌 ∈ 𝐵)
elhomai.f (𝜑 → 𝐹 ∈ (𝑋𝐽𝑌))
Assertion
Ref Expression
elhomai2 (𝜑 → ⟨𝑋, 𝑌, 𝐹⟩ ∈ (𝑋𝐻𝑌))

Proof of Theorem elhomai2
StepHypRef Expression
1 df-ot 4862 . 2 ⟨𝑋, 𝑌, 𝐹⟩ = ⟨⟨𝑋, 𝑌⟩, 𝐹⟩
2 homarcl.h . . . 4 𝐻 = (Homa‘𝐶)
3 homafval.b . . . 4 𝐵 = (Base‘𝐶)
4 homafval.c . . . 4 (𝜑 → 𝐶 ∈ Cat)
5 homaval.j . . . 4 𝐽 = (Hom ‘𝐶)
6 homaval.x . . . 4 (𝜑 → 𝑋 ∈ 𝐵)
7 homaval.y . . . 4 (𝜑 → 𝑌 ∈ 𝐵)
8 elhomai.f . . . 4 (𝜑 → 𝐹 ∈ (𝑋𝐽𝑌))
92, 3, 4, 5, 6, 7, 8elhomai 18234 . . 3 (𝜑 → ⟨𝑋, 𝑌⟩(𝑋𝐻𝑌)𝐹)
10 df-br 5107 . . 3 (⟨𝑋, 𝑌⟩(𝑋𝐻𝑌)𝐹 ↔ ⟨⟨𝑋, 𝑌⟩, 𝐹⟩ ∈ (𝑋𝐻𝑌))
119, 10sylib 221 . 2 (𝜑 → ⟨⟨𝑋, 𝑌⟩, 𝐹⟩ ∈ (𝑋𝐻𝑌))
121, 11eqeltrid 2868 1 (𝜑 → ⟨𝑋, 𝑌, 𝐹⟩ ∈ (𝑋𝐻𝑌))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   = wceq 1570   ∈ wcel 2147  ⟨cop 4838  ⟨cotp 4861   class class class wbr 5106  ‘cfv 6555  (class class class)co 7440  Basecbs 17413  Hom chom 17465  Catccat 17864  Homachoma 18224
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 5235  ax-sep 5252  ax-nul 5263  ax-pow 5331  ax-pr 5395  ax-un 7772
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 2102  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2839  df-nfc 2913  df-ne 2960  df-ral 3081  df-rex 3091  df-reu 3370  df-rab 3417  df-v 3456  df-sbc 3743  df-csb 3852  df-ss 3901  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 4839  df-ot 4862  df-uni 4871  df-iun 4956  df-br 5107  df-opab 5171  df-mpt 5190  df-id 5550  df-xp 5661  df-rel 5662  df-cnv 5663  df-co 5664  df-dm 5665  df-rn 5666  df-res 5667  df-ima 5668  df-iota 6509  df-fun 6557  df-fn 6558  df-f 6559  df-f1 6560  df-fo 6561  df-f1o 6562  df-fv 6563  df-ov 7443  df-homa 18227
This theorem is used by:  idahom  18261  coahom  18271  termcarweu  50866  arweuthinc  50867  arweutermc  50868
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