Theorem arwdmcd 18115

Description: Decompose an arrow into domain, codomain, and morphism. (Contributed by Mario Carneiro, 11-Jan-2017.)

Hypothesis

Ref	Expression
arwrcl.a	⊢ 𝐴 = (Arrow‘𝐶)

Assertion

Ref	Expression
arwdmcd	⊢ (𝐹 ∈ 𝐴 → 𝐹 = ⟨(doma‘𝐹), (coda‘𝐹), (2nd ‘𝐹)⟩)

Proof of Theorem arwdmcd

Step	Hyp	Ref	Expression
1		arwrcl.a	. . 3 ⊢ 𝐴 = (Arrow‘𝐶)
2		eqid 2737	. . 3 ⊢ (Homa‘𝐶) = (Homa‘𝐶)
3	1, 2	arwhoma 18108	. 2 ⊢ (𝐹 ∈ 𝐴 → 𝐹 ∈ ((doma‘𝐹)(Homa‘𝐶)(coda‘𝐹)))
4	2	homadmcd 18105	. 2 ⊢ (𝐹 ∈ ((doma‘𝐹)(Homa‘𝐶)(coda‘𝐹)) → 𝐹 = ⟨(doma‘𝐹), (coda‘𝐹), (2nd ‘𝐹)⟩)
5	3, 4	syl 17	1 ⊢ (𝐹 ∈ 𝐴 → 𝐹 = ⟨(doma‘𝐹), (coda‘𝐹), (2nd ‘𝐹)⟩)

Syntax hints:   → wi 4   = wceq 1539   ∈ wcel 2108  ⟨cotp 4642  ‘cfv 6569  (class class class)co 7438  2^nd c2nd 8021  dom_acdoma 18083  cod_accoda 18084  Arrowcarw 18085  Hom_achoma 18086

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1794  ax-4 1808  ax-5 1910  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-10 2141  ax-11 2157  ax-12 2177  ax-ext 2708  ax-rep 5288  ax-sep 5305  ax-nul 5315  ax-pow 5374  ax-pr 5441  ax-un 7761

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1542  df-fal 1552  df-ex 1779  df-nf 1783  df-sb 2065  df-mo 2540  df-eu 2569  df-clab 2715  df-cleq 2729  df-clel 2816  df-nfc 2892  df-ne 2941  df-ral 3062  df-rex 3071  df-reu 3381  df-rab 3437  df-v 3483  df-sbc 3795  df-csb 3912  df-dif 3969  df-un 3971  df-in 3973  df-ss 3983  df-nul 4343  df-if 4535  df-pw 4610  df-sn 4635  df-pr 4637  df-op 4641  df-ot 4643  df-uni 4916  df-iun 5001  df-br 5152  df-opab 5214  df-mpt 5235  df-id 5587  df-xp 5699  df-rel 5700  df-cnv 5701  df-co 5702  df-dm 5703  df-rn 5704  df-res 5705  df-ima 5706  df-iota 6522  df-fun 6571  df-fn 6572  df-f 6573  df-f1 6574  df-fo 6575  df-f1o 6576  df-fv 6577  df-ov 7441  df-1st 8022  df-2nd 8023  df-doma 18087  df-coda 18088  df-homa 18089  df-arw 18090

This theorem is referenced by: (None)