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Theorem setcmon 16938
 Description: A monomorphism of sets is an injection. (Contributed by Mario Carneiro, 3-Jan-2017.)
Hypotheses
Ref Expression
setcmon.c 𝐶 = (SetCat‘𝑈)
setcmon.u (𝜑𝑈𝑉)
setcmon.x (𝜑𝑋𝑈)
setcmon.y (𝜑𝑌𝑈)
setcmon.h 𝑀 = (Mono‘𝐶)
Assertion
Ref Expression
setcmon (𝜑 → (𝐹 ∈ (𝑋𝑀𝑌) ↔ 𝐹:𝑋1-1𝑌))

Proof of Theorem setcmon
Dummy variables 𝑥 𝑔 𝑦 𝑧 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2760 . . . . . 6 (Base‘𝐶) = (Base‘𝐶)
2 eqid 2760 . . . . . 6 (Hom ‘𝐶) = (Hom ‘𝐶)
3 eqid 2760 . . . . . 6 (comp‘𝐶) = (comp‘𝐶)
4 setcmon.h . . . . . 6 𝑀 = (Mono‘𝐶)
5 setcmon.u . . . . . . 7 (𝜑𝑈𝑉)
6 setcmon.c . . . . . . . 8 𝐶 = (SetCat‘𝑈)
76setccat 16936 . . . . . . 7 (𝑈𝑉𝐶 ∈ Cat)
85, 7syl 17 . . . . . 6 (𝜑𝐶 ∈ Cat)
9 setcmon.x . . . . . . 7 (𝜑𝑋𝑈)
106, 5setcbas 16929 . . . . . . 7 (𝜑𝑈 = (Base‘𝐶))
119, 10eleqtrd 2841 . . . . . 6 (𝜑𝑋 ∈ (Base‘𝐶))
12 setcmon.y . . . . . . 7 (𝜑𝑌𝑈)
1312, 10eleqtrd 2841 . . . . . 6 (𝜑𝑌 ∈ (Base‘𝐶))
141, 2, 3, 4, 8, 11, 13monhom 16596 . . . . 5 (𝜑 → (𝑋𝑀𝑌) ⊆ (𝑋(Hom ‘𝐶)𝑌))
1514sselda 3744 . . . 4 ((𝜑𝐹 ∈ (𝑋𝑀𝑌)) → 𝐹 ∈ (𝑋(Hom ‘𝐶)𝑌))
166, 5, 2, 9, 12elsetchom 16932 . . . . 5 (𝜑 → (𝐹 ∈ (𝑋(Hom ‘𝐶)𝑌) ↔ 𝐹:𝑋𝑌))
1716biimpa 502 . . . 4 ((𝜑𝐹 ∈ (𝑋(Hom ‘𝐶)𝑌)) → 𝐹:𝑋𝑌)
1815, 17syldan 488 . . 3 ((𝜑𝐹 ∈ (𝑋𝑀𝑌)) → 𝐹:𝑋𝑌)
19 simprr 813 . . . . . . . . . . . 12 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → (𝐹𝑥) = (𝐹𝑦))
2019sneqd 4333 . . . . . . . . . . 11 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → {(𝐹𝑥)} = {(𝐹𝑦)})
2120xpeq2d 5296 . . . . . . . . . 10 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → (𝑋 × {(𝐹𝑥)}) = (𝑋 × {(𝐹𝑦)}))
2218adantr 472 . . . . . . . . . . . 12 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → 𝐹:𝑋𝑌)
23 ffn 6206 . . . . . . . . . . . 12 (𝐹:𝑋𝑌𝐹 Fn 𝑋)
2422, 23syl 17 . . . . . . . . . . 11 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → 𝐹 Fn 𝑋)
25 simprll 821 . . . . . . . . . . 11 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → 𝑥𝑋)
26 fcoconst 6564 . . . . . . . . . . 11 ((𝐹 Fn 𝑋𝑥𝑋) → (𝐹 ∘ (𝑋 × {𝑥})) = (𝑋 × {(𝐹𝑥)}))
2724, 25, 26syl2anc 696 . . . . . . . . . 10 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → (𝐹 ∘ (𝑋 × {𝑥})) = (𝑋 × {(𝐹𝑥)}))
28 simprlr 822 . . . . . . . . . . 11 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → 𝑦𝑋)
29 fcoconst 6564 . . . . . . . . . . 11 ((𝐹 Fn 𝑋𝑦𝑋) → (𝐹 ∘ (𝑋 × {𝑦})) = (𝑋 × {(𝐹𝑦)}))
3024, 28, 29syl2anc 696 . . . . . . . . . 10 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → (𝐹 ∘ (𝑋 × {𝑦})) = (𝑋 × {(𝐹𝑦)}))
3121, 27, 303eqtr4d 2804 . . . . . . . . 9 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → (𝐹 ∘ (𝑋 × {𝑥})) = (𝐹 ∘ (𝑋 × {𝑦})))
325ad2antrr 764 . . . . . . . . . 10 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → 𝑈𝑉)
339ad2antrr 764 . . . . . . . . . 10 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → 𝑋𝑈)
3412ad2antrr 764 . . . . . . . . . 10 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → 𝑌𝑈)
35 fconst6g 6255 . . . . . . . . . . 11 (𝑥𝑋 → (𝑋 × {𝑥}):𝑋𝑋)
3625, 35syl 17 . . . . . . . . . 10 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → (𝑋 × {𝑥}):𝑋𝑋)
376, 32, 3, 33, 33, 34, 36, 22setcco 16934 . . . . . . . . 9 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → (𝐹(⟨𝑋, 𝑋⟩(comp‘𝐶)𝑌)(𝑋 × {𝑥})) = (𝐹 ∘ (𝑋 × {𝑥})))
38 fconst6g 6255 . . . . . . . . . . 11 (𝑦𝑋 → (𝑋 × {𝑦}):𝑋𝑋)
3928, 38syl 17 . . . . . . . . . 10 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → (𝑋 × {𝑦}):𝑋𝑋)
406, 32, 3, 33, 33, 34, 39, 22setcco 16934 . . . . . . . . 9 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → (𝐹(⟨𝑋, 𝑋⟩(comp‘𝐶)𝑌)(𝑋 × {𝑦})) = (𝐹 ∘ (𝑋 × {𝑦})))
4131, 37, 403eqtr4d 2804 . . . . . . . 8 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → (𝐹(⟨𝑋, 𝑋⟩(comp‘𝐶)𝑌)(𝑋 × {𝑥})) = (𝐹(⟨𝑋, 𝑋⟩(comp‘𝐶)𝑌)(𝑋 × {𝑦})))
428ad2antrr 764 . . . . . . . . 9 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → 𝐶 ∈ Cat)
4311ad2antrr 764 . . . . . . . . 9 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → 𝑋 ∈ (Base‘𝐶))
4413ad2antrr 764 . . . . . . . . 9 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → 𝑌 ∈ (Base‘𝐶))
45 simplr 809 . . . . . . . . 9 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → 𝐹 ∈ (𝑋𝑀𝑌))
466, 32, 2, 33, 33elsetchom 16932 . . . . . . . . . 10 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → ((𝑋 × {𝑥}) ∈ (𝑋(Hom ‘𝐶)𝑋) ↔ (𝑋 × {𝑥}):𝑋𝑋))
4736, 46mpbird 247 . . . . . . . . 9 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → (𝑋 × {𝑥}) ∈ (𝑋(Hom ‘𝐶)𝑋))
486, 32, 2, 33, 33elsetchom 16932 . . . . . . . . . 10 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → ((𝑋 × {𝑦}) ∈ (𝑋(Hom ‘𝐶)𝑋) ↔ (𝑋 × {𝑦}):𝑋𝑋))
4939, 48mpbird 247 . . . . . . . . 9 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → (𝑋 × {𝑦}) ∈ (𝑋(Hom ‘𝐶)𝑋))
501, 2, 3, 4, 42, 43, 44, 43, 45, 47, 49moni 16597 . . . . . . . 8 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → ((𝐹(⟨𝑋, 𝑋⟩(comp‘𝐶)𝑌)(𝑋 × {𝑥})) = (𝐹(⟨𝑋, 𝑋⟩(comp‘𝐶)𝑌)(𝑋 × {𝑦})) ↔ (𝑋 × {𝑥}) = (𝑋 × {𝑦})))
5141, 50mpbid 222 . . . . . . 7 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → (𝑋 × {𝑥}) = (𝑋 × {𝑦}))
5251fveq1d 6354 . . . . . 6 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → ((𝑋 × {𝑥})‘𝑥) = ((𝑋 × {𝑦})‘𝑥))
53 vex 3343 . . . . . . . 8 𝑥 ∈ V
5453fvconst2 6633 . . . . . . 7 (𝑥𝑋 → ((𝑋 × {𝑥})‘𝑥) = 𝑥)
5525, 54syl 17 . . . . . 6 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → ((𝑋 × {𝑥})‘𝑥) = 𝑥)
56 vex 3343 . . . . . . . 8 𝑦 ∈ V
5756fvconst2 6633 . . . . . . 7 (𝑥𝑋 → ((𝑋 × {𝑦})‘𝑥) = 𝑦)
5825, 57syl 17 . . . . . 6 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → ((𝑋 × {𝑦})‘𝑥) = 𝑦)
5952, 55, 583eqtr3d 2802 . . . . 5 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ ((𝑥𝑋𝑦𝑋) ∧ (𝐹𝑥) = (𝐹𝑦))) → 𝑥 = 𝑦)
6059expr 644 . . . 4 (((𝜑𝐹 ∈ (𝑋𝑀𝑌)) ∧ (𝑥𝑋𝑦𝑋)) → ((𝐹𝑥) = (𝐹𝑦) → 𝑥 = 𝑦))
6160ralrimivva 3109 . . 3 ((𝜑𝐹 ∈ (𝑋𝑀𝑌)) → ∀𝑥𝑋𝑦𝑋 ((𝐹𝑥) = (𝐹𝑦) → 𝑥 = 𝑦))
62 dff13 6675 . . 3 (𝐹:𝑋1-1𝑌 ↔ (𝐹:𝑋𝑌 ∧ ∀𝑥𝑋𝑦𝑋 ((𝐹𝑥) = (𝐹𝑦) → 𝑥 = 𝑦)))
6318, 61, 62sylanbrc 701 . 2 ((𝜑𝐹 ∈ (𝑋𝑀𝑌)) → 𝐹:𝑋1-1𝑌)
64 f1f 6262 . . . 4 (𝐹:𝑋1-1𝑌𝐹:𝑋𝑌)
6516biimpar 503 . . . 4 ((𝜑𝐹:𝑋𝑌) → 𝐹 ∈ (𝑋(Hom ‘𝐶)𝑌))
6664, 65sylan2 492 . . 3 ((𝜑𝐹:𝑋1-1𝑌) → 𝐹 ∈ (𝑋(Hom ‘𝐶)𝑌))
6710adantr 472 . . . . . 6 ((𝜑𝐹:𝑋1-1𝑌) → 𝑈 = (Base‘𝐶))
6867eleq2d 2825 . . . . 5 ((𝜑𝐹:𝑋1-1𝑌) → (𝑧𝑈𝑧 ∈ (Base‘𝐶)))
695ad2antrr 764 . . . . . . . . . . 11 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → 𝑈𝑉)
70 simprl 811 . . . . . . . . . . 11 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → 𝑧𝑈)
719ad2antrr 764 . . . . . . . . . . 11 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → 𝑋𝑈)
7212ad2antrr 764 . . . . . . . . . . 11 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → 𝑌𝑈)
73 simprrl 823 . . . . . . . . . . . 12 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → 𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋))
746, 69, 2, 70, 71elsetchom 16932 . . . . . . . . . . . 12 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ↔ 𝑔:𝑧𝑋))
7573, 74mpbid 222 . . . . . . . . . . 11 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → 𝑔:𝑧𝑋)
7664ad2antlr 765 . . . . . . . . . . 11 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → 𝐹:𝑋𝑌)
776, 69, 3, 70, 71, 72, 75, 76setcco 16934 . . . . . . . . . 10 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → (𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)𝑔) = (𝐹𝑔))
78 simprrr 824 . . . . . . . . . . . 12 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → ∈ (𝑧(Hom ‘𝐶)𝑋))
796, 69, 2, 70, 71elsetchom 16932 . . . . . . . . . . . 12 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → ( ∈ (𝑧(Hom ‘𝐶)𝑋) ↔ :𝑧𝑋))
8078, 79mpbid 222 . . . . . . . . . . 11 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → :𝑧𝑋)
816, 69, 3, 70, 71, 72, 80, 76setcco 16934 . . . . . . . . . 10 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → (𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)) = (𝐹))
8277, 81eqeq12d 2775 . . . . . . . . 9 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → ((𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)𝑔) = (𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)) ↔ (𝐹𝑔) = (𝐹)))
83 simplr 809 . . . . . . . . . . 11 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → 𝐹:𝑋1-1𝑌)
84 cocan1 6709 . . . . . . . . . . 11 ((𝐹:𝑋1-1𝑌𝑔:𝑧𝑋:𝑧𝑋) → ((𝐹𝑔) = (𝐹) ↔ 𝑔 = ))
8583, 75, 80, 84syl3anc 1477 . . . . . . . . . 10 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → ((𝐹𝑔) = (𝐹) ↔ 𝑔 = ))
8685biimpd 219 . . . . . . . . 9 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → ((𝐹𝑔) = (𝐹) → 𝑔 = ))
8782, 86sylbid 230 . . . . . . . 8 (((𝜑𝐹:𝑋1-1𝑌) ∧ (𝑧𝑈 ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋)))) → ((𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)𝑔) = (𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)) → 𝑔 = ))
8887anassrs 683 . . . . . . 7 ((((𝜑𝐹:𝑋1-1𝑌) ∧ 𝑧𝑈) ∧ (𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋) ∧ ∈ (𝑧(Hom ‘𝐶)𝑋))) → ((𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)𝑔) = (𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)) → 𝑔 = ))
8988ralrimivva 3109 . . . . . 6 (((𝜑𝐹:𝑋1-1𝑌) ∧ 𝑧𝑈) → ∀𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋)∀ ∈ (𝑧(Hom ‘𝐶)𝑋)((𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)𝑔) = (𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)) → 𝑔 = ))
9089ex 449 . . . . 5 ((𝜑𝐹:𝑋1-1𝑌) → (𝑧𝑈 → ∀𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋)∀ ∈ (𝑧(Hom ‘𝐶)𝑋)((𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)𝑔) = (𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)) → 𝑔 = )))
9168, 90sylbird 250 . . . 4 ((𝜑𝐹:𝑋1-1𝑌) → (𝑧 ∈ (Base‘𝐶) → ∀𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋)∀ ∈ (𝑧(Hom ‘𝐶)𝑋)((𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)𝑔) = (𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)) → 𝑔 = )))
9291ralrimiv 3103 . . 3 ((𝜑𝐹:𝑋1-1𝑌) → ∀𝑧 ∈ (Base‘𝐶)∀𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋)∀ ∈ (𝑧(Hom ‘𝐶)𝑋)((𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)𝑔) = (𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)) → 𝑔 = ))
931, 2, 3, 4, 8, 11, 13ismon2 16595 . . . 4 (𝜑 → (𝐹 ∈ (𝑋𝑀𝑌) ↔ (𝐹 ∈ (𝑋(Hom ‘𝐶)𝑌) ∧ ∀𝑧 ∈ (Base‘𝐶)∀𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋)∀ ∈ (𝑧(Hom ‘𝐶)𝑋)((𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)𝑔) = (𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)) → 𝑔 = ))))
9493adantr 472 . . 3 ((𝜑𝐹:𝑋1-1𝑌) → (𝐹 ∈ (𝑋𝑀𝑌) ↔ (𝐹 ∈ (𝑋(Hom ‘𝐶)𝑌) ∧ ∀𝑧 ∈ (Base‘𝐶)∀𝑔 ∈ (𝑧(Hom ‘𝐶)𝑋)∀ ∈ (𝑧(Hom ‘𝐶)𝑋)((𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)𝑔) = (𝐹(⟨𝑧, 𝑋⟩(comp‘𝐶)𝑌)) → 𝑔 = ))))
9566, 92, 94mpbir2and 995 . 2 ((𝜑𝐹:𝑋1-1𝑌) → 𝐹 ∈ (𝑋𝑀𝑌))
9663, 95impbida 913 1 (𝜑 → (𝐹 ∈ (𝑋𝑀𝑌) ↔ 𝐹:𝑋1-1𝑌))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ↔ wb 196   ∧ wa 383   = wceq 1632   ∈ wcel 2139  ∀wral 3050  {csn 4321  ⟨cop 4327   × cxp 5264   ∘ ccom 5270   Fn wfn 6044  ⟶wf 6045  –1-1→wf1 6046  ‘cfv 6049  (class class class)co 6813  Basecbs 16059  Hom chom 16154  compcco 16155  Catccat 16526  Monocmon 16589  SetCatcsetc 16926 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1871  ax-4 1886  ax-5 1988  ax-6 2054  ax-7 2090  ax-8 2141  ax-9 2148  ax-10 2168  ax-11 2183  ax-12 2196  ax-13 2391  ax-ext 2740  ax-rep 4923  ax-sep 4933  ax-nul 4941  ax-pow 4992  ax-pr 5055  ax-un 7114  ax-cnex 10184  ax-resscn 10185  ax-1cn 10186  ax-icn 10187  ax-addcl 10188  ax-addrcl 10189  ax-mulcl 10190  ax-mulrcl 10191  ax-mulcom 10192  ax-addass 10193  ax-mulass 10194  ax-distr 10195  ax-i2m1 10196  ax-1ne0 10197  ax-1rid 10198  ax-rnegex 10199  ax-rrecex 10200  ax-cnre 10201  ax-pre-lttri 10202  ax-pre-lttrn 10203  ax-pre-ltadd 10204  ax-pre-mulgt0 10205 This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1073  df-3an 1074  df-tru 1635  df-ex 1854  df-nf 1859  df-sb 2047  df-eu 2611  df-mo 2612  df-clab 2747  df-cleq 2753  df-clel 2756  df-nfc 2891  df-ne 2933  df-nel 3036  df-ral 3055  df-rex 3056  df-reu 3057  df-rmo 3058  df-rab 3059  df-v 3342  df-sbc 3577  df-csb 3675  df-dif 3718  df-un 3720  df-in 3722  df-ss 3729  df-pss 3731  df-nul 4059  df-if 4231  df-pw 4304  df-sn 4322  df-pr 4324  df-tp 4326  df-op 4328  df-uni 4589  df-int 4628  df-iun 4674  df-br 4805  df-opab 4865  df-mpt 4882  df-tr 4905  df-id 5174  df-eprel 5179  df-po 5187  df-so 5188  df-fr 5225  df-we 5227  df-xp 5272  df-rel 5273  df-cnv 5274  df-co 5275  df-dm 5276  df-rn 5277  df-res 5278  df-ima 5279  df-pred 5841  df-ord 5887  df-on 5888  df-lim 5889  df-suc 5890  df-iota 6012  df-fun 6051  df-fn 6052  df-f 6053  df-f1 6054  df-fo 6055  df-f1o 6056  df-fv 6057  df-riota 6774  df-ov 6816  df-oprab 6817  df-mpt2 6818  df-om 7231  df-1st 7333  df-2nd 7334  df-wrecs 7576  df-recs 7637  df-rdg 7675  df-1o 7729  df-oadd 7733  df-er 7911  df-map 8025  df-en 8122  df-dom 8123  df-sdom 8124  df-fin 8125  df-pnf 10268  df-mnf 10269  df-xr 10270  df-ltxr 10271  df-le 10272  df-sub 10460  df-neg 10461  df-nn 11213  df-2 11271  df-3 11272  df-4 11273  df-5 11274  df-6 11275  df-7 11276  df-8 11277  df-9 11278  df-n0 11485  df-z 11570  df-dec 11686  df-uz 11880  df-fz 12520  df-struct 16061  df-ndx 16062  df-slot 16063  df-base 16065  df-hom 16168  df-cco 16169  df-cat 16530  df-cid 16531  df-mon 16591  df-setc 16927 This theorem is referenced by: (None)
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