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Theorem homarw 18128
Description: A hom-set is a subset of the collection of all arrows. (Contributed by Mario Carneiro, 11-Jan-2017.)
Hypotheses
Ref Expression
arwrcl.a 𝐴 = (Arrow‘𝐶)
arwhoma.h 𝐻 = (Homa𝐶)
Assertion
Ref Expression
homarw (𝑋𝐻𝑌) ⊆ 𝐴

Proof of Theorem homarw
StepHypRef Expression
1 ovssunirn 7459 . 2 (𝑋𝐻𝑌) ⊆ ran 𝐻
2 arwrcl.a . . 3 𝐴 = (Arrow‘𝐶)
3 arwhoma.h . . 3 𝐻 = (Homa𝐶)
42, 3arwval 18125 . 2 𝐴 = ran 𝐻
51, 4sseqtrri 3989 1 (𝑋𝐻𝑌) ⊆ 𝐴
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   = wceq 1570  wss 3908   cuni 4877  ran crn 5667  cfv 6543  (class class class)co 7423  Arrowcarw 18104  Homachoma 18105
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 2148  ax-9 2156  ax-10 2179  ax-11 2195  ax-12 2216  ax-ext 2738  ax-sep 5262  ax-nul 5274  ax-pr 5409  ax-un 7745
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 2570  df-eu 2600  df-clab 2745  df-cleq 2758  df-clel 2841  df-nfc 2915  df-ne 2962  df-ral 3083  df-rex 3093  df-rab 3420  df-v 3460  df-dif 3911  df-un 3913  df-in 3915  df-ss 3925  df-nul 4290  df-if 4493  df-sn 4595  df-pr 4597  df-op 4601  df-uni 4878  df-br 5115  df-opab 5179  df-mpt 5198  df-id 5561  df-xp 5672  df-rel 5673  df-cnv 5674  df-co 5675  df-dm 5676  df-rn 5677  df-iota 6499  df-fun 6545  df-fv 6551  df-ov 7426  df-homa 18108  df-arw 18109
This theorem is used by:  idaf  18145  homdmcoa  18149  coaval  18150  coapm  18153  termcarweu  50347  arweuthinc  50348  arweutermc  50349
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