Users' Mathboxes Mathbox for Zhi Wang < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  fthcomf Structured version   Visualization version   GIF version

Theorem fthcomf 49648
Description: Source categories of a faithful functor have the same base, hom-sets and composition operation if the composition is compatible in images of the functor. (Contributed by Zhi Wang, 10-Nov-2025.)
Hypotheses
Ref Expression
fthcomf.1 (𝜑𝐹(𝐴 Faith 𝐶)𝐺)
fthcomf.2 (𝜑𝐹(𝐵 Func 𝐷)𝐺)
fthcomf.3 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → (((𝑦𝐺𝑧)‘𝑔)(⟨(𝐹𝑥), (𝐹𝑦)⟩(comp‘𝐶)(𝐹𝑧))((𝑥𝐺𝑦)‘𝑓)) = (((𝑦𝐺𝑧)‘𝑔)(⟨(𝐹𝑥), (𝐹𝑦)⟩(comp‘𝐷)(𝐹𝑧))((𝑥𝐺𝑦)‘𝑓)))
Assertion
Ref Expression
fthcomf (𝜑 → (compf𝐴) = (compf𝐵))
Distinct variable groups:   𝐴,𝑓,𝑔,𝑥,𝑦,𝑧   𝐵,𝑓,𝑔,𝑥,𝑦,𝑧   𝜑,𝑓,𝑔,𝑥,𝑦,𝑧
Allowed substitution hints:   𝐶(𝑥,𝑦,𝑧,𝑓,𝑔)   𝐷(𝑥,𝑦,𝑧,𝑓,𝑔)   𝐹(𝑥,𝑦,𝑧,𝑓,𝑔)   𝐺(𝑥,𝑦,𝑧,𝑓,𝑔)

Proof of Theorem fthcomf
StepHypRef Expression
1 fthcomf.3 . . . . . 6 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → (((𝑦𝐺𝑧)‘𝑔)(⟨(𝐹𝑥), (𝐹𝑦)⟩(comp‘𝐶)(𝐹𝑧))((𝑥𝐺𝑦)‘𝑓)) = (((𝑦𝐺𝑧)‘𝑔)(⟨(𝐹𝑥), (𝐹𝑦)⟩(comp‘𝐷)(𝐹𝑧))((𝑥𝐺𝑦)‘𝑓)))
2 eqid 2737 . . . . . . 7 (Base‘𝐴) = (Base‘𝐴)
3 eqid 2737 . . . . . . 7 (Hom ‘𝐴) = (Hom ‘𝐴)
4 eqid 2737 . . . . . . 7 (comp‘𝐴) = (comp‘𝐴)
5 eqid 2737 . . . . . . 7 (comp‘𝐶) = (comp‘𝐶)
6 fthcomf.1 . . . . . . . . 9 (𝜑𝐹(𝐴 Faith 𝐶)𝐺)
76ad2antrr 727 . . . . . . . 8 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → 𝐹(𝐴 Faith 𝐶)𝐺)
8 fthfunc 17871 . . . . . . . . 9 (𝐴 Faith 𝐶) ⊆ (𝐴 Func 𝐶)
98ssbri 5131 . . . . . . . 8 (𝐹(𝐴 Faith 𝐶)𝐺𝐹(𝐴 Func 𝐶)𝐺)
107, 9syl 17 . . . . . . 7 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → 𝐹(𝐴 Func 𝐶)𝐺)
11 simplr1 1217 . . . . . . 7 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → 𝑥 ∈ (Base‘𝐴))
12 simplr2 1218 . . . . . . 7 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → 𝑦 ∈ (Base‘𝐴))
13 simplr3 1219 . . . . . . 7 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → 𝑧 ∈ (Base‘𝐴))
14 simprl 771 . . . . . . 7 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → 𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦))
15 simprr 773 . . . . . . 7 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))
162, 3, 4, 5, 10, 11, 12, 13, 14, 15funcco 17833 . . . . . 6 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → ((𝑥𝐺𝑧)‘(𝑔(⟨𝑥, 𝑦⟩(comp‘𝐴)𝑧)𝑓)) = (((𝑦𝐺𝑧)‘𝑔)(⟨(𝐹𝑥), (𝐹𝑦)⟩(comp‘𝐶)(𝐹𝑧))((𝑥𝐺𝑦)‘𝑓)))
17 eqid 2737 . . . . . . 7 (Base‘𝐵) = (Base‘𝐵)
18 eqid 2737 . . . . . . 7 (Hom ‘𝐵) = (Hom ‘𝐵)
19 eqid 2737 . . . . . . 7 (comp‘𝐵) = (comp‘𝐵)
20 eqid 2737 . . . . . . 7 (comp‘𝐷) = (comp‘𝐷)
21 fthcomf.2 . . . . . . . 8 (𝜑𝐹(𝐵 Func 𝐷)𝐺)
2221ad2antrr 727 . . . . . . 7 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → 𝐹(𝐵 Func 𝐷)𝐺)
236, 9syl 17 . . . . . . . . . . 11 (𝜑𝐹(𝐴 Func 𝐶)𝐺)
2423, 21funchomf 49588 . . . . . . . . . 10 (𝜑 → (Homf𝐴) = (Homf𝐵))
2524homfeqbas 17657 . . . . . . . . 9 (𝜑 → (Base‘𝐴) = (Base‘𝐵))
2625ad2antrr 727 . . . . . . . 8 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → (Base‘𝐴) = (Base‘𝐵))
2711, 26eleqtrd 2839 . . . . . . 7 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → 𝑥 ∈ (Base‘𝐵))
2812, 26eleqtrd 2839 . . . . . . 7 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → 𝑦 ∈ (Base‘𝐵))
2913, 26eleqtrd 2839 . . . . . . 7 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → 𝑧 ∈ (Base‘𝐵))
3024ad2antrr 727 . . . . . . . . 9 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → (Homf𝐴) = (Homf𝐵))
312, 3, 18, 30, 11, 12homfeqval 17658 . . . . . . . 8 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → (𝑥(Hom ‘𝐴)𝑦) = (𝑥(Hom ‘𝐵)𝑦))
3214, 31eleqtrd 2839 . . . . . . 7 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → 𝑓 ∈ (𝑥(Hom ‘𝐵)𝑦))
332, 3, 18, 30, 12, 13homfeqval 17658 . . . . . . . 8 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → (𝑦(Hom ‘𝐴)𝑧) = (𝑦(Hom ‘𝐵)𝑧))
3415, 33eleqtrd 2839 . . . . . . 7 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → 𝑔 ∈ (𝑦(Hom ‘𝐵)𝑧))
3517, 18, 19, 20, 22, 27, 28, 29, 32, 34funcco 17833 . . . . . 6 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → ((𝑥𝐺𝑧)‘(𝑔(⟨𝑥, 𝑦⟩(comp‘𝐵)𝑧)𝑓)) = (((𝑦𝐺𝑧)‘𝑔)(⟨(𝐹𝑥), (𝐹𝑦)⟩(comp‘𝐷)(𝐹𝑧))((𝑥𝐺𝑦)‘𝑓)))
361, 16, 353eqtr4d 2782 . . . . 5 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → ((𝑥𝐺𝑧)‘(𝑔(⟨𝑥, 𝑦⟩(comp‘𝐴)𝑧)𝑓)) = ((𝑥𝐺𝑧)‘(𝑔(⟨𝑥, 𝑦⟩(comp‘𝐵)𝑧)𝑓)))
37 eqid 2737 . . . . . 6 (Hom ‘𝐶) = (Hom ‘𝐶)
3823funcrcl2 49570 . . . . . . . 8 (𝜑𝐴 ∈ Cat)
3938ad2antrr 727 . . . . . . 7 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → 𝐴 ∈ Cat)
402, 3, 4, 39, 11, 12, 13, 14, 15catcocl 17646 . . . . . 6 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐴)𝑧)𝑓) ∈ (𝑥(Hom ‘𝐴)𝑧))
4121funcrcl2 49570 . . . . . . . . 9 (𝜑𝐵 ∈ Cat)
4241ad2antrr 727 . . . . . . . 8 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → 𝐵 ∈ Cat)
4317, 18, 19, 42, 27, 28, 29, 32, 34catcocl 17646 . . . . . . 7 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐵)𝑧)𝑓) ∈ (𝑥(Hom ‘𝐵)𝑧))
442, 3, 18, 30, 11, 13homfeqval 17658 . . . . . . 7 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → (𝑥(Hom ‘𝐴)𝑧) = (𝑥(Hom ‘𝐵)𝑧))
4543, 44eleqtrrd 2840 . . . . . 6 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐵)𝑧)𝑓) ∈ (𝑥(Hom ‘𝐴)𝑧))
462, 3, 37, 7, 11, 13, 40, 45fthi 17882 . . . . 5 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → (((𝑥𝐺𝑧)‘(𝑔(⟨𝑥, 𝑦⟩(comp‘𝐴)𝑧)𝑓)) = ((𝑥𝐺𝑧)‘(𝑔(⟨𝑥, 𝑦⟩(comp‘𝐵)𝑧)𝑓)) ↔ (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐴)𝑧)𝑓) = (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐵)𝑧)𝑓)))
4736, 46mpbid 232 . . . 4 (((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) ∧ (𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦) ∧ 𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧))) → (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐴)𝑧)𝑓) = (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐵)𝑧)𝑓))
4847ralrimivva 3181 . . 3 ((𝜑 ∧ (𝑥 ∈ (Base‘𝐴) ∧ 𝑦 ∈ (Base‘𝐴) ∧ 𝑧 ∈ (Base‘𝐴))) → ∀𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦)∀𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧)(𝑔(⟨𝑥, 𝑦⟩(comp‘𝐴)𝑧)𝑓) = (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐵)𝑧)𝑓))
4948ralrimivvva 3184 . 2 (𝜑 → ∀𝑥 ∈ (Base‘𝐴)∀𝑦 ∈ (Base‘𝐴)∀𝑧 ∈ (Base‘𝐴)∀𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦)∀𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧)(𝑔(⟨𝑥, 𝑦⟩(comp‘𝐴)𝑧)𝑓) = (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐵)𝑧)𝑓))
50 eqidd 2738 . . 3 (𝜑 → (Base‘𝐴) = (Base‘𝐴))
514, 19, 3, 50, 25, 24comfeq 17667 . 2 (𝜑 → ((compf𝐴) = (compf𝐵) ↔ ∀𝑥 ∈ (Base‘𝐴)∀𝑦 ∈ (Base‘𝐴)∀𝑧 ∈ (Base‘𝐴)∀𝑓 ∈ (𝑥(Hom ‘𝐴)𝑦)∀𝑔 ∈ (𝑦(Hom ‘𝐴)𝑧)(𝑔(⟨𝑥, 𝑦⟩(comp‘𝐴)𝑧)𝑓) = (𝑔(⟨𝑥, 𝑦⟩(comp‘𝐵)𝑧)𝑓)))
5249, 51mpbird 257 1 (𝜑 → (compf𝐴) = (compf𝐵))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  w3a 1087   = wceq 1542  wcel 2114  wral 3052  cop 4574   class class class wbr 5086  cfv 6494  (class class class)co 7362  Basecbs 17174  Hom chom 17226  compcco 17227  Catccat 17625  Homf chomf 17627  compfccomf 17628   Func cfunc 17816   Faith cfth 17867
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-rep 5213  ax-sep 5232  ax-nul 5242  ax-pow 5304  ax-pr 5372  ax-un 7684
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3063  df-reu 3344  df-rab 3391  df-v 3432  df-sbc 3730  df-csb 3839  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-nul 4275  df-if 4468  df-pw 4544  df-sn 4569  df-pr 4571  df-op 4575  df-uni 4852  df-iun 4936  df-br 5087  df-opab 5149  df-mpt 5168  df-id 5521  df-xp 5632  df-rel 5633  df-cnv 5634  df-co 5635  df-dm 5636  df-rn 5637  df-res 5638  df-ima 5639  df-iota 6450  df-fun 6496  df-fn 6497  df-f 6498  df-f1 6499  df-fo 6500  df-f1o 6501  df-fv 6502  df-ov 7365  df-oprab 7366  df-mpo 7367  df-1st 7937  df-2nd 7938  df-map 8770  df-ixp 8841  df-cat 17629  df-homf 17631  df-comf 17632  df-func 17820  df-fth 17869
This theorem is referenced by: (None)
  Copyright terms: Public domain W3C validator