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Theorem initoeu2lem2 18069
Description: Lemma 2 for initoeu2 18070. (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 7464 . . . . . . . . . 10 (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ V
2 eleq1 2827 . . . . . . . . . . 11 (𝑔 = (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) → (𝑔 ∈ (𝐵𝐻𝐷) ↔ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷)))
32spcegv 3597 . . . . . . . . . 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 480 . . 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 480 . . . . . . . . 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 480 . . . . . . . 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 769 . . . . . . . 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 480 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ 𝑔 ∈ (𝐵𝐻𝐷)) → 𝐹 ∈ (𝐴𝐻𝐷))
20 simpr 484 . . . . . . . 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 18068 . . . . . . . . 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 406 . . . . . . . 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 717 . . . . . 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 480 . . . . . . . 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 769 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ ∈ (𝐵𝐻𝐷)) → ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷))
3518adantr 480 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ ∈ (𝐵𝐻𝐷)) → 𝐹 ∈ (𝐴𝐻𝐷))
36 simpr 484 . . . . . . . 8 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ ∈ (𝐵𝐻𝐷)) → ∈ (𝐵𝐻𝐷))
3721, 22, 23, 24, 25, 26initoeu2lem1 18068 . . . . . . . . 9 ((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) → ((∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ ∈ (𝐵𝐻𝐷)) → = (𝐹(⟨𝐵, 𝐴 𝐷)𝐾)))
3837imp 406 . . . . . . . 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 716 . . . . . 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 2778 . . . . 5 ((((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) ∧ (𝑔 ∈ (𝐵𝐻𝐷) ∧ ∈ (𝐵𝐻𝐷))) → 𝑔 = )
4241ex 412 . . . 4 (((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) → ((𝑔 ∈ (𝐵𝐻𝐷) ∧ ∈ (𝐵𝐻𝐷)) → 𝑔 = ))
4342alrimivv 1926 . . 3 (((𝜑 ∧ (𝐴𝑋𝐵𝑋𝐷𝑋) ∧ (𝐾 ∈ (𝐵𝐼𝐴) ∧ 𝐹 ∈ (𝐴𝐻𝐷) ∧ (𝐹(⟨𝐵, 𝐴 𝐷)𝐾) ∈ (𝐵𝐻𝐷))) ∧ ∃!𝑓 𝑓 ∈ (𝐴𝐻𝐷)) → ∀𝑔((𝑔 ∈ (𝐵𝐻𝐷) ∧ ∈ (𝐵𝐻𝐷)) → 𝑔 = ))
44 eleq1 2827 . . . 4 (𝑔 = → (𝑔 ∈ (𝐵𝐻𝐷) ↔ ∈ (𝐵𝐻𝐷)))
4544eu4 2613 . . 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 412 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 395  w3a 1086  wal 1535   = wceq 1537  wex 1776  wcel 2106  ∃!weu 2566  Vcvv 3478  cop 4637  cfv 6563  (class class class)co 7431  Basecbs 17245  Hom chom 17309  compcco 17310  Catccat 17709  Isociso 17794  InitOcinito 18035
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1908  ax-6 1965  ax-7 2005  ax-8 2108  ax-9 2116  ax-10 2139  ax-11 2155  ax-12 2175  ax-ext 2706  ax-rep 5285  ax-sep 5302  ax-nul 5312  ax-pow 5371  ax-pr 5438  ax-un 7754
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1540  df-fal 1550  df-ex 1777  df-nf 1781  df-sb 2063  df-mo 2538  df-eu 2567  df-clab 2713  df-cleq 2727  df-clel 2814  df-nfc 2890  df-ne 2939  df-ral 3060  df-rex 3069  df-rmo 3378  df-reu 3379  df-rab 3434  df-v 3480  df-sbc 3792  df-csb 3909  df-dif 3966  df-un 3968  df-in 3970  df-ss 3980  df-nul 4340  df-if 4532  df-pw 4607  df-sn 4632  df-pr 4634  df-op 4638  df-uni 4913  df-iun 4998  df-br 5149  df-opab 5211  df-mpt 5232  df-id 5583  df-xp 5695  df-rel 5696  df-cnv 5697  df-co 5698  df-dm 5699  df-rn 5700  df-res 5701  df-ima 5702  df-iota 6516  df-fun 6565  df-fn 6566  df-f 6567  df-f1 6568  df-fo 6569  df-f1o 6570  df-fv 6571  df-riota 7388  df-ov 7434  df-oprab 7435  df-mpo 7436  df-1st 8013  df-2nd 8014  df-cat 17713  df-cid 17714  df-sect 17795  df-inv 17796  df-iso 17797
This theorem is referenced by:  initoeu2  18070
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