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Theorem homa1 16687
Description: The first component of an arrow is the ordered pair of domain and codomain. (Contributed by Mario Carneiro, 11-Jan-2017.)
Hypothesis
Ref Expression
homahom.h  |-  H  =  (Homa
`  C )
Assertion
Ref Expression
homa1  |-  ( Z ( X H Y ) F  ->  Z  =  <. X ,  Y >. )

Proof of Theorem homa1
StepHypRef Expression
1 df-br 4654 . . . 4  |-  ( Z ( X H Y ) F  <->  <. Z ,  F >.  e.  ( X H Y ) )
2 homahom.h . . . . 5  |-  H  =  (Homa
`  C )
3 eqid 2622 . . . . 5  |-  ( Base `  C )  =  (
Base `  C )
42homarcl 16678 . . . . 5  |-  ( <. Z ,  F >.  e.  ( X H Y )  ->  C  e.  Cat )
5 eqid 2622 . . . . 5  |-  ( Hom  `  C )  =  ( Hom  `  C )
62, 3homarcl2 16685 . . . . . 6  |-  ( <. Z ,  F >.  e.  ( X H Y )  ->  ( X  e.  ( Base `  C
)  /\  Y  e.  ( Base `  C )
) )
76simpld 475 . . . . 5  |-  ( <. Z ,  F >.  e.  ( X H Y )  ->  X  e.  ( Base `  C )
)
86simprd 479 . . . . 5  |-  ( <. Z ,  F >.  e.  ( X H Y )  ->  Y  e.  ( Base `  C )
)
92, 3, 4, 5, 7, 8elhoma 16682 . . . 4  |-  ( <. Z ,  F >.  e.  ( X H Y )  ->  ( Z
( X H Y ) F  <->  ( Z  =  <. X ,  Y >.  /\  F  e.  ( X ( Hom  `  C
) Y ) ) ) )
101, 9sylbi 207 . . 3  |-  ( Z ( X H Y ) F  ->  ( Z ( X H Y ) F  <->  ( Z  =  <. X ,  Y >.  /\  F  e.  ( X ( Hom  `  C
) Y ) ) ) )
1110ibi 256 . 2  |-  ( Z ( X H Y ) F  ->  ( Z  =  <. X ,  Y >.  /\  F  e.  ( X ( Hom  `  C
) Y ) ) )
1211simpld 475 1  |-  ( Z ( X H Y ) F  ->  Z  =  <. X ,  Y >. )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    <-> wb 196    /\ wa 384    = wceq 1483    e. wcel 1990   <.cop 4183   class class class wbr 4653   ` cfv 5888  (class class class)co 6650   Basecbs 15857   Hom chom 15952  Homachoma 16673
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-ral 2917  df-rex 2918  df-reu 2919  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-id 5024  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-ov 6653  df-homa 16676
This theorem is referenced by:  homadm  16690  homacd  16691  homadmcd  16692
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