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Theorem initoeu2lem2 17730
Description: Lemma 2 for initoeu2 17731. (Contributed by AV, 10-Apr-2020.)
Hypotheses
Ref Expression
initoeu1.c (𝜑𝐶 ∈ Cat)
initoeu1.a (𝜑𝐴 ∈ (InitO‘𝐶))
initoeu2lem.x 𝑋 = (Base‘𝐶)
initoeu2lem.h 𝐻 = (Hom ‘𝐶)
initoeu2lem.i 𝐼 = (Iso‘𝐶)
initoeu2lem.o = (comp‘𝐶)
Assertion
Ref Expression
initoeu2lem2 ((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) → (∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷) → ∃!𝑔 𝑔 ∈ (𝐵𝐻𝐷)))
Distinct variable groups:   𝐴,𝑔,𝑓   𝐵,𝑔,𝑓   𝐶,𝑓,𝑔   𝜑,𝑔,𝑓   𝐷,𝑓   𝑓,𝐹   𝑓,𝐼   𝑓,𝐾   𝑓,𝐻   𝑓,𝑋   ,𝑓   𝐷,𝑔   𝑔,𝐹   𝑔,𝐻   𝑔,𝐼   𝑔,𝐾   𝑔,𝑋   ,𝑔

Proof of Theorem initoeu2lem2
Dummy variable is distinct from all other variables.
StepHypRef Expression
1 ovex 7308 . . . . . . . . . 10 (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ V
2 eleq1 2826 . . . . . . . . . . 11 (𝑔 = (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) → (𝑔 ∈ (𝐵𝐻𝐷) ↔ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷)))
32spcegv 3536 . . . . . . . . . 10 ((𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ V → ((𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷) → ∃𝑔 𝑔 ∈ (𝐵𝐻𝐷)))
41, 3mp1i 13 . . . . . . . . 9 (𝜑 → ((𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷) → ∃𝑔 𝑔 ∈ (𝐵𝐻𝐷)))
54com12 32 . . . . . . . 8 ((𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷) → (𝜑 → ∃𝑔 𝑔 ∈ (𝐵𝐻𝐷)))
653ad2ant3 1134 . . . . . . 7 ((𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷)) → (𝜑 → ∃𝑔 𝑔 ∈ (𝐵𝐻𝐷)))
76com12 32 . . . . . 6 (𝜑 → ((𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷)) → ∃𝑔 𝑔 ∈ (𝐵𝐻𝐷)))
87a1d 25 . . . . 5 (𝜑 → ((𝐴𝑋𝐵𝑋𝐷𝑋) → ((𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷)) → ∃𝑔 𝑔 ∈ (𝐵𝐻𝐷))))
983imp 1110 . . . 4 ((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) → ∃𝑔 𝑔 ∈ (𝐵𝐻𝐷))
109adantr 481 . . 3 (((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) → ∃𝑔 𝑔 ∈ (𝐵𝐻𝐷))
11 simpll1 1211 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ 𝑔 ∈ (𝐵𝐻𝐷)) → 𝜑)
12 simpll2 1212 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ 𝑔 ∈ (𝐵𝐻𝐷)) → (𝐴𝑋𝐵𝑋𝐷𝑋))
13 3simpb 1148 . . . . . . . . . . 11 ((𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷)) → (𝐾 ∈ (𝐵𝐼𝐴) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷)))
14133ad2ant3 1134 . . . . . . . . . 10 ((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) → (𝐾 ∈ (𝐵𝐼𝐴) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷)))
1514adantr 481 . . . . . . . . 9 (((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) → (𝐾 ∈ (𝐵𝐼𝐴) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷)))
1615adantr 481 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ 𝑔 ∈ (𝐵𝐻𝐷)) → (𝐾 ∈ (𝐵𝐼𝐴) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷)))
17 simplr 766 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ 𝑔 ∈ (𝐵𝐻𝐷)) → ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷))
18 simpl32 1254 . . . . . . . . 9 (((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) → 𝐹 ∈ (𝐴𝐻𝐷))
1918adantr 481 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ 𝑔 ∈ (𝐵𝐻𝐷)) → 𝐹 ∈ (𝐴𝐻𝐷))
20 simpr 485 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ 𝑔 ∈ (𝐵𝐻𝐷)) → 𝑔 ∈ (𝐵𝐻𝐷))
21 initoeu1.c . . . . . . . . . 10 (𝜑𝐶 ∈ Cat)
22 initoeu1.a . . . . . . . . . 10 (𝜑𝐴 ∈ (InitO‘𝐶))
23 initoeu2lem.x . . . . . . . . . 10 𝑋 = (Base‘𝐶)
24 initoeu2lem.h . . . . . . . . . 10 𝐻 = (Hom ‘𝐶)
25 initoeu2lem.i . . . . . . . . . 10 𝐼 = (Iso‘𝐶)
26 initoeu2lem.o . . . . . . . . . 10 = (comp‘𝐶)
2721, 22, 23, 24, 25, 26initoeu2lem1 17729 . . . . . . . . 9 ((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) → ((∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ 𝑔 ∈ (𝐵𝐻𝐷)) → 𝑔 = (𝐹(⟨𝐵, 𝐴 𝐷)𝐾)))
2827imp 407 . . . . . . . 8 (((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ (∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ 𝑔 ∈ (𝐵𝐻𝐷))) → 𝑔 = (𝐹(⟨𝐵, 𝐴 𝐷)𝐾))
2911, 12, 16, 17, 19, 20, 28syl33anc 1384 . . . . . . 7 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ 𝑔 ∈ (𝐵𝐻𝐷)) → 𝑔 = (𝐹(⟨𝐵, 𝐴 𝐷)𝐾))
3029adantrr 714 . . . . . 6 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ (𝑔 ∈ (𝐵𝐻𝐷) ∧ ∈ (𝐵𝐻𝐷))) → 𝑔 = (𝐹(⟨𝐵, 𝐴 𝐷)𝐾))
31 simpll1 1211 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ ∈ (𝐵𝐻𝐷)) → 𝜑)
32 simpll2 1212 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ ∈ (𝐵𝐻𝐷)) → (𝐴𝑋𝐵𝑋𝐷𝑋))
3315adantr 481 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ ∈ (𝐵𝐻𝐷)) → (𝐾 ∈ (𝐵𝐼𝐴) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷)))
34 simplr 766 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ ∈ (𝐵𝐻𝐷)) → ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷))
3518adantr 481 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ ∈ (𝐵𝐻𝐷)) → 𝐹 ∈ (𝐴𝐻𝐷))
36 simpr 485 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ ∈ (𝐵𝐻𝐷)) → ∈ (𝐵𝐻𝐷))
3721, 22, 23, 24, 25, 26initoeu2lem1 17729 . . . . . . . . 9 ((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) → ((∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ ∈ (𝐵𝐻𝐷)) → = (𝐹(⟨𝐵, 𝐴 𝐷)𝐾)))
3837imp 407 . . . . . . . 8 (((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ (∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ ∈ (𝐵𝐻𝐷))) → = (𝐹(⟨𝐵, 𝐴 𝐷)𝐾))
3931, 32, 33, 34, 35, 36, 38syl33anc 1384 . . . . . . 7 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ ∈ (𝐵𝐻𝐷)) → = (𝐹(⟨𝐵, 𝐴 𝐷)𝐾))
4039adantrl 713 . . . . . 6 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ (𝑔 ∈ (𝐵𝐻𝐷) ∧ ∈ (𝐵𝐻𝐷))) → = (𝐹(⟨𝐵, 𝐴 𝐷)𝐾))
4130, 40eqtr4d 2781 . . . . 5 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ (𝑔 ∈ (𝐵𝐻𝐷) ∧ ∈ (𝐵𝐻𝐷))) → 𝑔 = )
4241ex 413 . . . 4 (((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) → ((𝑔 ∈ (𝐵𝐻𝐷) ∧ ∈ (𝐵𝐻𝐷)) → 𝑔 = ))
4342alrimivv 1931 . . 3 (((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) → ∀𝑔((𝑔 ∈ (𝐵𝐻𝐷) ∧ ∈ (𝐵𝐻𝐷)) → 𝑔 = ))
44 eleq1 2826 . . . 4 (𝑔 = → (𝑔 ∈ (𝐵𝐻𝐷) ↔ ∈ (𝐵𝐻𝐷)))
4544eu4 2617 . . 3 (∃!𝑔 𝑔 ∈ (𝐵𝐻𝐷) ↔ (∃𝑔 𝑔 ∈ (𝐵𝐻𝐷) ∧ ∀𝑔((𝑔 ∈ (𝐵𝐻𝐷) ∧ ∈ (𝐵𝐻𝐷)) → 𝑔 = )))
4610, 43, 45sylanbrc 583 . 2 (((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) → ∃!𝑔 𝑔 ∈ (𝐵𝐻𝐷))
4746ex 413 1 ((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) → (∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷) → ∃!𝑔 𝑔 ∈ (𝐵𝐻𝐷)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396  w3a 1086  wal 1537   = wceq 1539  wex 1782  wcel 2106  ∃!weu 2568  Vcvv 3432  cop 4567  cfv 6433  (class class class)co 7275  Basecbs 16912  Hom chom 16973  compcco 16974  Catccat 17373  Isociso 17458  InitOcinito 17696
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2709  ax-rep 5209  ax-sep 5223  ax-nul 5230  ax-pow 5288  ax-pr 5352  ax-un 7588
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2068  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2816  df-nfc 2889  df-ne 2944  df-ral 3069  df-rex 3070  df-rmo 3071  df-reu 3072  df-rab 3073  df-v 3434  df-sbc 3717  df-csb 3833  df-dif 3890  df-un 3892  df-in 3894  df-ss 3904  df-nul 4257  df-if 4460  df-pw 4535  df-sn 4562  df-pr 4564  df-op 4568  df-uni 4840  df-iun 4926  df-br 5075  df-opab 5137  df-mpt 5158  df-id 5489  df-xp 5595  df-rel 5596  df-cnv 5597  df-co 5598  df-dm 5599  df-rn 5600  df-res 5601  df-ima 5602  df-iota 6391  df-fun 6435  df-fn 6436  df-f 6437  df-f1 6438  df-fo 6439  df-f1o 6440  df-fv 6441  df-riota 7232  df-ov 7278  df-oprab 7279  df-mpo 7280  df-1st 7831  df-2nd 7832  df-cat 17377  df-cid 17378  df-sect 17459  df-inv 17460  df-iso 17461
This theorem is referenced by:  initoeu2  17731
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