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Theorem fucoppc 50068
Description: The isomorphism from the opposite category of functors to the category of opposite functors. (Contributed by Zhi Wang, 18-Nov-2025.)
Hypotheses
Ref Expression
fucoppc.o 𝑂 = (oppCat‘𝐶)
fucoppc.p 𝑃 = (oppCat‘𝐷)
fucoppc.q 𝑄 = (𝐶 FuncCat 𝐷)
fucoppc.r 𝑅 = (oppCat‘𝑄)
fucoppc.s 𝑆 = (𝑂 FuncCat 𝑃)
fucoppc.n 𝑁 = (𝐶 Nat 𝐷)
fucoppc.f (𝜑𝐹 = ( oppFunc ↾ (𝐶 Func 𝐷)))
fucoppc.g (𝜑𝐺 = (𝑥 ∈ (𝐶 Func 𝐷), 𝑦 ∈ (𝐶 Func 𝐷) ↦ ( I ↾ (𝑦𝑁𝑥))))
fucoppc.t 𝑇 = (CatCat‘𝑈)
fucoppc.b 𝐵 = (Base‘𝑇)
fucoppc.i 𝐼 = (Iso‘𝑇)
fucoppc.c (𝜑𝐶𝑉)
fucoppc.d (𝜑𝐷𝑊)
fucoppc.1 (𝜑𝑅𝐵)
fucoppc.2 (𝜑𝑆𝐵)
Assertion
Ref Expression
fucoppc (𝜑𝐹(𝑅𝐼𝑆)𝐺)
Distinct variable groups:   𝑥,𝐶,𝑦   𝑥,𝐷,𝑦   𝑥,𝑁,𝑦   𝑥,𝑅,𝑦   𝜑,𝑥,𝑦
Allowed substitution hints:   𝐵(𝑥,𝑦)   𝑃(𝑥,𝑦)   𝑄(𝑥,𝑦)   𝑆(𝑥,𝑦)   𝑇(𝑥,𝑦)   𝑈(𝑥,𝑦)   𝐹(𝑥,𝑦)   𝐺(𝑥,𝑦)   𝐼(𝑥,𝑦)   𝑂(𝑥,𝑦)   𝑉(𝑥,𝑦)   𝑊(𝑥,𝑦)

Proof of Theorem fucoppc
Dummy variables 𝑎 𝑏 𝑓 𝑔 𝑘 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 fucoppc.r . . . . . . 7 𝑅 = (oppCat‘𝑄)
2 fucoppc.q . . . . . . . 8 𝑄 = (𝐶 FuncCat 𝐷)
32fucbas 18016 . . . . . . 7 (𝐶 Func 𝐷) = (Base‘𝑄)
41, 3oppcbas 17770 . . . . . 6 (𝐶 Func 𝐷) = (Base‘𝑅)
5 fucoppc.s . . . . . . 7 𝑆 = (𝑂 FuncCat 𝑃)
65fucbas 18016 . . . . . 6 (𝑂 Func 𝑃) = (Base‘𝑆)
7 eqid 2769 . . . . . 6 (Hom ‘𝑅) = (Hom ‘𝑅)
8 eqid 2769 . . . . . . 7 (𝑂 Nat 𝑃) = (𝑂 Nat 𝑃)
95, 8fuchom 18017 . . . . . 6 (𝑂 Nat 𝑃) = (Hom ‘𝑆)
10 eqid 2769 . . . . . 6 (Id‘𝑅) = (Id‘𝑅)
11 eqid 2769 . . . . . 6 (Id‘𝑆) = (Id‘𝑆)
12 eqid 2769 . . . . . 6 (comp‘𝑅) = (comp‘𝑅)
13 eqid 2769 . . . . . 6 (comp‘𝑆) = (comp‘𝑆)
14 fucoppc.1 . . . . . . . 8 (𝜑𝑅𝐵)
15 fucoppc.t . . . . . . . . 9 𝑇 = (CatCat‘𝑈)
16 fucoppc.b . . . . . . . . 9 𝐵 = (Base‘𝑇)
1715, 16elbasfv 17271 . . . . . . . . . 10 (𝑅𝐵𝑈 ∈ V)
1814, 17syl 18 . . . . . . . . 9 (𝜑𝑈 ∈ V)
1915, 16, 18catcbas 18154 . . . . . . . 8 (𝜑𝐵 = (𝑈 ∩ Cat))
2014, 19eleqtrd 2871 . . . . . . 7 (𝜑𝑅 ∈ (𝑈 ∩ Cat))
2120elin2d 4166 . . . . . 6 (𝜑𝑅 ∈ Cat)
22 fucoppc.2 . . . . . . . 8 (𝜑𝑆𝐵)
2322, 19eleqtrd 2871 . . . . . . 7 (𝜑𝑆 ∈ (𝑈 ∩ Cat))
2423elin2d 4166 . . . . . 6 (𝜑𝑆 ∈ Cat)
25 fucoppc.o . . . . . . . . 9 𝑂 = (oppCat‘𝐶)
26 fucoppc.p . . . . . . . . 9 𝑃 = (oppCat‘𝐷)
27 fucoppc.c . . . . . . . . 9 (𝜑𝐶𝑉)
28 fucoppc.d . . . . . . . . 9 (𝜑𝐷𝑊)
2925, 26, 27, 28oppff1o 49807 . . . . . . . 8 (𝜑 → ( oppFunc ↾ (𝐶 Func 𝐷)):(𝐶 Func 𝐷)–1-1-onto→(𝑂 Func 𝑃))
30 fucoppc.f . . . . . . . . 9 (𝜑𝐹 = ( oppFunc ↾ (𝐶 Func 𝐷)))
3130f1oeq1d 6813 . . . . . . . 8 (𝜑 → (𝐹:(𝐶 Func 𝐷)–1-1-onto→(𝑂 Func 𝑃) ↔ ( oppFunc ↾ (𝐶 Func 𝐷)):(𝐶 Func 𝐷)–1-1-onto→(𝑂 Func 𝑃)))
3229, 31mpbird 260 . . . . . . 7 (𝜑𝐹:(𝐶 Func 𝐷)–1-1-onto→(𝑂 Func 𝑃))
33 f1of 6818 . . . . . . 7 (𝐹:(𝐶 Func 𝐷)–1-1-onto→(𝑂 Func 𝑃) → 𝐹:(𝐶 Func 𝐷)⟶(𝑂 Func 𝑃))
3432, 33syl 18 . . . . . 6 (𝜑𝐹:(𝐶 Func 𝐷)⟶(𝑂 Func 𝑃))
35 eqid 2769 . . . . . . . 8 (𝑥 ∈ (𝐶 Func 𝐷), 𝑦 ∈ (𝐶 Func 𝐷) ↦ ( I ↾ (𝑦𝑁𝑥))) = (𝑥 ∈ (𝐶 Func 𝐷), 𝑦 ∈ (𝐶 Func 𝐷) ↦ ( I ↾ (𝑦𝑁𝑥)))
36 ovex 7441 . . . . . . . . 9 (𝑦𝑁𝑥) ∈ V
37 resiexg 7905 . . . . . . . . 9 ((𝑦𝑁𝑥) ∈ V → ( I ↾ (𝑦𝑁𝑥)) ∈ V)
3836, 37ax-mp 5 . . . . . . . 8 ( I ↾ (𝑦𝑁𝑥)) ∈ V
3935, 38fnmpoi 8063 . . . . . . 7 (𝑥 ∈ (𝐶 Func 𝐷), 𝑦 ∈ (𝐶 Func 𝐷) ↦ ( I ↾ (𝑦𝑁𝑥))) Fn ((𝐶 Func 𝐷) × (𝐶 Func 𝐷))
40 fucoppc.g . . . . . . . 8 (𝜑𝐺 = (𝑥 ∈ (𝐶 Func 𝐷), 𝑦 ∈ (𝐶 Func 𝐷) ↦ ( I ↾ (𝑦𝑁𝑥))))
4140fneq1d 6626 . . . . . . 7 (𝜑 → (𝐺 Fn ((𝐶 Func 𝐷) × (𝐶 Func 𝐷)) ↔ (𝑥 ∈ (𝐶 Func 𝐷), 𝑦 ∈ (𝐶 Func 𝐷) ↦ ( I ↾ (𝑦𝑁𝑥))) Fn ((𝐶 Func 𝐷) × (𝐶 Func 𝐷))))
4239, 41mpbiri 261 . . . . . 6 (𝜑𝐺 Fn ((𝐶 Func 𝐷) × (𝐶 Func 𝐷)))
43 f1oi 6857 . . . . . . . 8 ( I ↾ (𝑔𝑁𝑓)):(𝑔𝑁𝑓)–1-1-onto→(𝑔𝑁𝑓)
4440adantr 485 . . . . . . . . . 10 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷))) → 𝐺 = (𝑥 ∈ (𝐶 Func 𝐷), 𝑦 ∈ (𝐶 Func 𝐷) ↦ ( I ↾ (𝑦𝑁𝑥))))
45 simprl 782 . . . . . . . . . 10 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷))) → 𝑓 ∈ (𝐶 Func 𝐷))
46 simprr 784 . . . . . . . . . 10 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷))) → 𝑔 ∈ (𝐶 Func 𝐷))
4744, 45, 46opf2fval 50063 . . . . . . . . 9 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷))) → (𝑓𝐺𝑔) = ( I ↾ (𝑔𝑁𝑓)))
48 fucoppc.n . . . . . . . . . . . 12 𝑁 = (𝐶 Nat 𝐷)
492, 48fuchom 18017 . . . . . . . . . . 11 𝑁 = (Hom ‘𝑄)
5049, 1oppchom 17767 . . . . . . . . . 10 (𝑓(Hom ‘𝑅)𝑔) = (𝑔𝑁𝑓)
5150a1i 11 . . . . . . . . 9 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷))) → (𝑓(Hom ‘𝑅)𝑔) = (𝑔𝑁𝑓))
5230adantr 485 . . . . . . . . . . 11 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷))) → 𝐹 = ( oppFunc ↾ (𝐶 Func 𝐷)))
5325, 26, 48, 52, 45, 46fucoppclem 50065 . . . . . . . . . 10 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷))) → (𝑔𝑁𝑓) = ((𝐹𝑓)(𝑂 Nat 𝑃)(𝐹𝑔)))
5453eqcomd 2775 . . . . . . . . 9 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷))) → ((𝐹𝑓)(𝑂 Nat 𝑃)(𝐹𝑔)) = (𝑔𝑁𝑓))
5547, 51, 54f1oeq123d 6812 . . . . . . . 8 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷))) → ((𝑓𝐺𝑔):(𝑓(Hom ‘𝑅)𝑔)–1-1-onto→((𝐹𝑓)(𝑂 Nat 𝑃)(𝐹𝑔)) ↔ ( I ↾ (𝑔𝑁𝑓)):(𝑔𝑁𝑓)–1-1-onto→(𝑔𝑁𝑓)))
5643, 55mpbiri 261 . . . . . . 7 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷))) → (𝑓𝐺𝑔):(𝑓(Hom ‘𝑅)𝑔)–1-1-onto→((𝐹𝑓)(𝑂 Nat 𝑃)(𝐹𝑔)))
57 f1of 6818 . . . . . . 7 ((𝑓𝐺𝑔):(𝑓(Hom ‘𝑅)𝑔)–1-1-onto→((𝐹𝑓)(𝑂 Nat 𝑃)(𝐹𝑔)) → (𝑓𝐺𝑔):(𝑓(Hom ‘𝑅)𝑔)⟶((𝐹𝑓)(𝑂 Nat 𝑃)(𝐹𝑔)))
5856, 57syl 18 . . . . . 6 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷))) → (𝑓𝐺𝑔):(𝑓(Hom ‘𝑅)𝑔)⟶((𝐹𝑓)(𝑂 Nat 𝑃)(𝐹𝑔)))
5930adantr 485 . . . . . . 7 ((𝜑𝑓 ∈ (𝐶 Func 𝐷)) → 𝐹 = ( oppFunc ↾ (𝐶 Func 𝐷)))
6040adantr 485 . . . . . . 7 ((𝜑𝑓 ∈ (𝐶 Func 𝐷)) → 𝐺 = (𝑥 ∈ (𝐶 Func 𝐷), 𝑦 ∈ (𝐶 Func 𝐷) ↦ ( I ↾ (𝑦𝑁𝑥))))
61 simpr 489 . . . . . . 7 ((𝜑𝑓 ∈ (𝐶 Func 𝐷)) → 𝑓 ∈ (𝐶 Func 𝐷))
6225, 26, 2, 1, 5, 48, 59, 60, 61fucoppcid 50066 . . . . . 6 ((𝜑𝑓 ∈ (𝐶 Func 𝐷)) → ((𝑓𝐺𝑓)‘((Id‘𝑅)‘𝑓)) = ((Id‘𝑆)‘(𝐹𝑓)))
63303ad2ant1 1149 . . . . . . 7 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷) ∧ 𝑘 ∈ (𝐶 Func 𝐷)) ∧ (𝑎 ∈ (𝑓(Hom ‘𝑅)𝑔) ∧ 𝑏 ∈ (𝑔(Hom ‘𝑅)𝑘))) → 𝐹 = ( oppFunc ↾ (𝐶 Func 𝐷)))
64403ad2ant1 1149 . . . . . . 7 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷) ∧ 𝑘 ∈ (𝐶 Func 𝐷)) ∧ (𝑎 ∈ (𝑓(Hom ‘𝑅)𝑔) ∧ 𝑏 ∈ (𝑔(Hom ‘𝑅)𝑘))) → 𝐺 = (𝑥 ∈ (𝐶 Func 𝐷), 𝑦 ∈ (𝐶 Func 𝐷) ↦ ( I ↾ (𝑦𝑁𝑥))))
65 simp3l 1218 . . . . . . 7 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷) ∧ 𝑘 ∈ (𝐶 Func 𝐷)) ∧ (𝑎 ∈ (𝑓(Hom ‘𝑅)𝑔) ∧ 𝑏 ∈ (𝑔(Hom ‘𝑅)𝑘))) → 𝑎 ∈ (𝑓(Hom ‘𝑅)𝑔))
66 simp3r 1219 . . . . . . 7 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷) ∧ 𝑘 ∈ (𝐶 Func 𝐷)) ∧ (𝑎 ∈ (𝑓(Hom ‘𝑅)𝑔) ∧ 𝑏 ∈ (𝑔(Hom ‘𝑅)𝑘))) → 𝑏 ∈ (𝑔(Hom ‘𝑅)𝑘))
6725, 26, 2, 1, 5, 48, 63, 64, 65, 66fucoppcco 50067 . . . . . 6 ((𝜑 ∧ (𝑓 ∈ (𝐶 Func 𝐷) ∧ 𝑔 ∈ (𝐶 Func 𝐷) ∧ 𝑘 ∈ (𝐶 Func 𝐷)) ∧ (𝑎 ∈ (𝑓(Hom ‘𝑅)𝑔) ∧ 𝑏 ∈ (𝑔(Hom ‘𝑅)𝑘))) → ((𝑓𝐺𝑘)‘(𝑏(⟨𝑓, 𝑔⟩(comp‘𝑅)𝑘)𝑎)) = (((𝑔𝐺𝑘)‘𝑏)(⟨(𝐹𝑓), (𝐹𝑔)⟩(comp‘𝑆)(𝐹𝑘))((𝑓𝐺𝑔)‘𝑎)))
684, 6, 7, 9, 10, 11, 12, 13, 21, 24, 34, 42, 58, 62, 67isfuncd 17918 . . . . 5 (𝜑𝐹(𝑅 Func 𝑆)𝐺)
6956ralrimivva 3214 . . . . 5 (𝜑 → ∀𝑓 ∈ (𝐶 Func 𝐷)∀𝑔 ∈ (𝐶 Func 𝐷)(𝑓𝐺𝑔):(𝑓(Hom ‘𝑅)𝑔)–1-1-onto→((𝐹𝑓)(𝑂 Nat 𝑃)(𝐹𝑔)))
704, 7, 9isffth2 17971 . . . . 5 (𝐹((𝑅 Full 𝑆) ∩ (𝑅 Faith 𝑆))𝐺 ↔ (𝐹(𝑅 Func 𝑆)𝐺 ∧ ∀𝑓 ∈ (𝐶 Func 𝐷)∀𝑔 ∈ (𝐶 Func 𝐷)(𝑓𝐺𝑔):(𝑓(Hom ‘𝑅)𝑔)–1-1-onto→((𝐹𝑓)(𝑂 Nat 𝑃)(𝐹𝑔))))
7168, 69, 70sylanbrc 594 . . . 4 (𝜑𝐹((𝑅 Full 𝑆) ∩ (𝑅 Faith 𝑆))𝐺)
72 df-br 5111 . . . 4 (𝐹((𝑅 Full 𝑆) ∩ (𝑅 Faith 𝑆))𝐺 ↔ ⟨𝐹, 𝐺⟩ ∈ ((𝑅 Full 𝑆) ∩ (𝑅 Faith 𝑆)))
7371, 72sylib 221 . . 3 (𝜑 → ⟨𝐹, 𝐺⟩ ∈ ((𝑅 Full 𝑆) ∩ (𝑅 Faith 𝑆)))
7468func1st 49735 . . . . 5 (𝜑 → (1st ‘⟨𝐹, 𝐺⟩) = 𝐹)
7574f1oeq1d 6813 . . . 4 (𝜑 → ((1st ‘⟨𝐹, 𝐺⟩):(𝐶 Func 𝐷)–1-1-onto→(𝑂 Func 𝑃) ↔ 𝐹:(𝐶 Func 𝐷)–1-1-onto→(𝑂 Func 𝑃)))
7632, 75mpbird 260 . . 3 (𝜑 → (1st ‘⟨𝐹, 𝐺⟩):(𝐶 Func 𝐷)–1-1-onto→(𝑂 Func 𝑃))
77 fucoppc.i . . . 4 𝐼 = (Iso‘𝑇)
7815, 16, 4, 6, 18, 14, 22, 77catciso 18164 . . 3 (𝜑 → (⟨𝐹, 𝐺⟩ ∈ (𝑅𝐼𝑆) ↔ (⟨𝐹, 𝐺⟩ ∈ ((𝑅 Full 𝑆) ∩ (𝑅 Faith 𝑆)) ∧ (1st ‘⟨𝐹, 𝐺⟩):(𝐶 Func 𝐷)–1-1-onto→(𝑂 Func 𝑃))))
7973, 76, 78mpbir2and 725 . 2 (𝜑 → ⟨𝐹, 𝐺⟩ ∈ (𝑅𝐼𝑆))
80 df-br 5111 . 2 (𝐹(𝑅𝐼𝑆)𝐺 ↔ ⟨𝐹, 𝐺⟩ ∈ (𝑅𝐼𝑆))
8179, 80sylibr 237 1 (𝜑𝐹(𝑅𝐼𝑆)𝐺)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 400  w3a 1101   = wceq 1567  wcel 2149  wral 3085  Vcvv 3463  cin 3912  cop 4597   class class class wbr 5110   I cid 5553   × cxp 5657  cres 5661   Fn wfn 6529  wf 6530  1-1-ontowf1o 6533  cfv 6534  (class class class)co 7408  cmpo 7410  1st c1st 7980  Basecbs 17265  Hom chom 17317  compcco 17318  Catccat 17716  Idccid 17717  oppCatcoppc 17763  Isociso 17799   Func cfunc 17907   Full cful 17957   Faith cfth 17958   Nat cnat 17997   FuncCat cfuc 17998  CatCatccatc 18151   oppFunc coppf 49780
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1822  ax-4 1836  ax-5 1937  ax-6 1994  ax-7 2035  ax-8 2151  ax-9 2159  ax-10 2182  ax-11 2198  ax-12 2219  ax-ext 2741  ax-rep 5239  ax-sep 5258  ax-nul 5268  ax-pow 5334  ax-pr 5402  ax-un 7730  ax-cnex 11152  ax-resscn 11153  ax-1cn 11154  ax-icn 11155  ax-addcl 11156  ax-addrcl 11157  ax-mulcl 11158  ax-mulrcl 11159  ax-mulcom 11160  ax-addass 11161  ax-mulass 11162  ax-distr 11163  ax-i2m1 11164  ax-1ne0 11165  ax-1rid 11166  ax-rnegex 11167  ax-rrecex 11168  ax-cnre 11169  ax-pre-lttri 11170  ax-pre-lttrn 11171  ax-pre-ltadd 11172  ax-pre-mulgt0 11173
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3or 1102  df-3an 1103  df-tru 1570  df-fal 1580  df-ex 1807  df-nf 1811  df-sb 2098  df-mo 2573  df-eu 2603  df-clab 2748  df-cleq 2761  df-clel 2844  df-nfc 2918  df-ne 2965  df-nel 3071  df-ral 3086  df-rex 3096  df-rmo 3376  df-reu 3377  df-rab 3424  df-v 3465  df-sbc 3754  df-csb 3862  df-dif 3916  df-un 3918  df-in 3920  df-ss 3930  df-pss 3933  df-nul 4295  df-if 4490  df-pw 4566  df-sn 4592  df-pr 4594  df-tp 4596  df-op 4598  df-uni 4874  df-iun 4959  df-br 5111  df-opab 5175  df-mpt 5194  df-tr 5220  df-id 5554  df-eprel 5559  df-po 5567  df-so 5568  df-fr 5612  df-we 5614  df-xp 5665  df-rel 5666  df-cnv 5667  df-co 5668  df-dm 5669  df-rn 5670  df-res 5671  df-ima 5672  df-pred 6300  df-ord 6361  df-on 6362  df-lim 6363  df-suc 6364  df-iota 6490  df-fun 6536  df-fn 6537  df-f 6538  df-f1 6539  df-fo 6540  df-f1o 6541  df-fv 6542  df-riota 7365  df-ov 7411  df-oprab 7412  df-mpo 7413  df-om 7859  df-1st 7982  df-2nd 7983  df-tpos 8218  df-frecs 8274  df-wrecs 8305  df-recs 8354  df-rdg 8393  df-1o 8449  df-er 8690  df-map 8822  df-ixp 8892  df-en 8940  df-dom 8941  df-sdom 8942  df-fin 8943  df-pnf 11241  df-mnf 11242  df-xr 11243  df-ltxr 11244  df-le 11245  df-sub 11439  df-neg 11440  df-nn 12230  df-2 12299  df-3 12300  df-4 12301  df-5 12302  df-6 12303  df-7 12304  df-8 12305  df-9 12306  df-n0 12501  df-z 12588  df-dec 12708  df-uz 12859  df-fz 13532  df-struct 17203  df-sets 17220  df-slot 17238  df-ndx 17250  df-base 17266  df-hom 17330  df-cco 17331  df-cat 17720  df-cid 17721  df-homf 17722  df-comf 17723  df-oppc 17764  df-sect 17800  df-inv 17801  df-iso 17802  df-func 17911  df-idfu 17912  df-cofu 17913  df-full 17959  df-fth 17960  df-nat 17999  df-fuc 18000  df-catc 18152  df-oppf 49781
This theorem is referenced by:  fucoppcffth  50069  fucoppccic  50071
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