Proof of Theorem icmpmon
| Step | Hyp | Ref
| Expression |
| 1 | | icmpmon.1 |
. . . . . . 7
⊢ O =
dom (id ‘T) |
| 2 | | icmpmon.2 |
. . . . . . 7
⊢ H =
(hom ‘T) |
| 3 | | icmpmon.3 |
. . . . . . 7
⊢ R =
(o ‘T) |
| 4 | 1, 2, 3 | ismonc 10584 |
. . . . . 6
⊢ ((T
∈ Cat ⋀ (A ∈ O ⋀ C
∈ O) ⋀ (GRF) ∈ (H
‘〈A, C〉)) → ((GRF) ∈ (Monic ‘T) ↔ ∀a ∈ O
∀m ∈ (H ‘〈a, A〉)∀n ∈ (H
‘〈a, A〉)(((GRF)Rm) = ((GRF)Rn) →
m = n))) |
| 5 | | 3simp1 786 |
. . . . . 6
⊢ ((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
→ T ∈ Cat) |
| 6 | | 3simpb 784 |
. . . . . . 7
⊢ ((A
∈ O ⋀ B ∈ O
⋀ C ∈ O) → (A
∈ O ⋀ C ∈ O)) |
| 7 | 6 | 3ad2ant2 799 |
. . . . . 6
⊢ ((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
→ (A ∈ O ⋀ C
∈ O)) |
| 8 | 1, 2, 3 | homgrf 10574 |
. . . . . . 7
⊢ ((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O))
→ ((F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
→ (GRF) ∈
(H ‘〈A, C〉))) |
| 9 | 8 | 3impia 828 |
. . . . . 6
⊢ ((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
→ (GRF) ∈
(H ‘〈A, C〉)) |
| 10 | 4, 5, 7, 9 | syl3anc 856 |
. . . . 5
⊢ ((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
→ ((GRF) ∈
(Monic ‘T) ↔ ∀a ∈ O
∀m ∈ (H ‘〈a, A〉)∀n ∈ (H
‘〈a, A〉)(((GRF)Rm) = ((GRF)Rn) →
m = n))) |
| 11 | | pm3.27 323 |
. . . . . . . . . . . . 13
⊢ (((((GRF)Rm) = (GR(FRm)) ⋀
((GRF)Rn) = (GR(FRn))) ⋀ (GR(FRm)) = (GR(FRn))) →
(GR(FRm)) = (GR(FRn))) |
| 12 | | simpll 412 |
. . . . . . . . . . . . 13
⊢ (((((GRF)Rm) = (GR(FRm)) ⋀
((GRF)Rn) = (GR(FRn))) ⋀ (GR(FRm)) = (GR(FRn))) →
((GRF)Rm) = (GR(FRm))) |
| 13 | | simplr 413 |
. . . . . . . . . . . . 13
⊢ (((((GRF)Rm) = (GR(FRm)) ⋀
((GRF)Rn) = (GR(FRn))) ⋀ (GR(FRm)) = (GR(FRn))) →
((GRF)Rn) = (GR(FRn))) |
| 14 | 11, 12, 13 | 3eqtr4d 1509 |
. . . . . . . . . . . 12
⊢ (((((GRF)Rm) = (GR(FRm)) ⋀
((GRF)Rn) = (GR(FRn))) ⋀ (GR(FRm)) = (GR(FRn))) →
((GRF)Rm) = ((GRF)Rn)) |
| 15 | 14 | ex 373 |
. . . . . . . . . . 11
⊢ ((((GRF)Rm) = (GR(FRm)) ⋀
((GRF)Rn) = (GR(FRn))) → ((GR(FRm)) = (GR(FRn)) →
((GRF)Rm) = ((GRF)Rn))) |
| 16 | 15 | imim1d 28 |
. . . . . . . . . 10
⊢ ((((GRF)Rm) = (GR(FRm)) ⋀
((GRF)Rn) = (GR(FRn))) → ((((GRF)Rm) = ((GRF)Rn) →
m = n)
→ ((GR(FRm)) = (GR(FRn)) → m =
n))) |
| 17 | | opreq2 3954 |
. . . . . . . . . 10
⊢ ((FRm) = (FRn) →
(GR(FRm)) = (GR(FRn))) |
| 18 | 16, 17 | syl7 23 |
. . . . . . . . 9
⊢ ((((GRF)Rm) = (GR(FRm)) ⋀
((GRF)Rn) = (GR(FRn))) → ((((GRF)Rm) = ((GRF)Rn) →
m = n)
→ ((FRm) = (FRn) → m =
n))) |
| 19 | 1, 2, 3 | cmpassoh 10573 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ ((T
∈ Cat ⋀ (a ∈ O ⋀ A
∈ O) ⋀ (B ∈ O
⋀ C ∈ O)) → ((m
∈ (H ‘〈a, A〉)
⋀ F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
→ (GR(FRm)) =
((GRF)Rm))) |
| 20 | 19 | 3exp 830 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (T
∈ Cat → ((a ∈ O ⋀ A
∈ O) → ((B ∈ O
⋀ C ∈ O) → ((m
∈ (H ‘〈a, A〉)
⋀ F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
→ (GR(FRm)) =
((GRF)Rm))))) |
| 21 | 20 | com3l 34 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((a
∈ O ⋀ A ∈ O)
→ ((B ∈ O ⋀ C
∈ O) → (T ∈ Cat → ((m ∈ (H
‘〈a, A〉) ⋀ F ∈ (H
‘〈A, B〉) ⋀ G ∈ (H
‘〈B, C〉)) → (GR(FRm)) = ((GRF)Rm))))) |
| 22 | 21 | exp4b 379 |
. . . . . . . . . . . . . . . . . . 19
⊢ (a
∈ O → (A ∈ O
→ (B ∈ O → (C
∈ O → (T ∈ Cat → ((m ∈ (H
‘〈a, A〉) ⋀ F ∈ (H
‘〈A, B〉) ⋀ G ∈ (H
‘〈B, C〉)) → (GR(FRm)) = ((GRF)Rm))))))) |
| 23 | 22 | 3impd 845 |
. . . . . . . . . . . . . . . . . 18
⊢ (a
∈ O → ((A ∈ O
⋀ B ∈ O ⋀ C
∈ O) → (T ∈ Cat → ((m ∈ (H
‘〈a, A〉) ⋀ F ∈ (H
‘〈A, B〉) ⋀ G ∈ (H
‘〈B, C〉)) → (GR(FRm)) = ((GRF)Rm))))) |
| 24 | 23 | com13 33 |
. . . . . . . . . . . . . . . . 17
⊢ (T
∈ Cat → ((A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
→ (a ∈ O → ((m
∈ (H ‘〈a, A〉)
⋀ F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
→ (GR(FRm)) =
((GRF)Rm))))) |
| 25 | 24 | imp 350 |
. . . . . . . . . . . . . . . 16
⊢ ((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O))
→ (a ∈ O → ((m
∈ (H ‘〈a, A〉)
⋀ F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
→ (GR(FRm)) =
((GRF)Rm)))) |
| 26 | 25 | com13 33 |
. . . . . . . . . . . . . . 15
⊢ ((m
∈ (H ‘〈a, A〉)
⋀ F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
→ (a ∈ O → ((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O))
→ (GR(FRm)) =
((GRF)Rm)))) |
| 27 | 26 | 3expib 834 |
. . . . . . . . . . . . . 14
⊢ (m
∈ (H ‘〈a, A〉)
→ ((F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
→ (a ∈ O → ((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O))
→ (GR(FRm)) =
((GRF)Rm))))) |
| 28 | 27 | com14 38 |
. . . . . . . . . . . . 13
⊢ ((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O))
→ ((F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
→ (a ∈ O → (m
∈ (H ‘〈a, A〉)
→ (GR(FRm)) =
((GRF)Rm))))) |
| 29 | 28 | 3impia 828 |
. . . . . . . . . . . 12
⊢ ((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
→ (a ∈ O → (m
∈ (H ‘〈a, A〉)
→ (GR(FRm)) =
((GRF)Rm)))) |
| 30 | 29 | imp31 362 |
. . . . . . . . . . 11
⊢ ((((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
⋀ a ∈ O) ⋀ m
∈ (H ‘〈a, A〉))
→ (GR(FRm)) =
((GRF)Rm)) |
| 31 | 30 | eqcomd 1472 |
. . . . . . . . . 10
⊢ ((((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
⋀ a ∈ O) ⋀ m
∈ (H ‘〈a, A〉))
→ ((GRF)Rm) = (GR(FRm))) |
| 32 | 31 | adantr 389 |
. . . . . . . . 9
⊢ (((((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
⋀ a ∈ O) ⋀ m
∈ (H ‘〈a, A〉))
⋀ n ∈ (H ‘〈a, A〉))
→ ((GRF)Rm) = (GR(FRm))) |
| 33 | 1, 2, 3 | cmpassoh 10573 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ ((T
∈ Cat ⋀ (a ∈ O ⋀ A
∈ O) ⋀ (B ∈ O
⋀ C ∈ O)) → ((n
∈ (H ‘〈a, A〉)
⋀ F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
→ (GR(FRn)) =
((GRF)Rn))) |
| 34 | 33 | imp 350 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ (((T
∈ Cat ⋀ (a ∈ O ⋀ A
∈ O) ⋀ (B ∈ O
⋀ C ∈ O)) ⋀ (n
∈ (H ‘〈a, A〉)
⋀ F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
→ (GR(FRn)) =
((GRF)Rn)) |
| 35 | 34 | eqcomd 1472 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (((T
∈ Cat ⋀ (a ∈ O ⋀ A
∈ O) ⋀ (B ∈ O
⋀ C ∈ O)) ⋀ (n
∈ (H ‘〈a, A〉)
⋀ F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
→ ((GRF)Rn) = (GR(FRn))) |
| 36 | 35 | 3exp1 847 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (T
∈ Cat → ((a ∈ O ⋀ A
∈ O) → ((B ∈ O
⋀ C ∈ O) → ((n
∈ (H ‘〈a, A〉)
⋀ F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
→ ((GRF)Rn) = (GR(FRn)))))) |
| 37 | 36 | com3l 34 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((a
∈ O ⋀ A ∈ O)
→ ((B ∈ O ⋀ C
∈ O) → (T ∈ Cat → ((n ∈ (H
‘〈a, A〉) ⋀ F ∈ (H
‘〈A, B〉) ⋀ G ∈ (H
‘〈B, C〉)) → ((GRF)Rn) = (GR(FRn)))))) |
| 38 | 37 | exp4b 379 |
. . . . . . . . . . . . . . . . . . 19
⊢ (a
∈ O → (A ∈ O
→ (B ∈ O → (C
∈ O → (T ∈ Cat → ((n ∈ (H
‘〈a, A〉) ⋀ F ∈ (H
‘〈A, B〉) ⋀ G ∈ (H
‘〈B, C〉)) → ((GRF)Rn) = (GR(FRn)))))))) |
| 39 | 38 | 3impd 845 |
. . . . . . . . . . . . . . . . . 18
⊢ (a
∈ O → ((A ∈ O
⋀ B ∈ O ⋀ C
∈ O) → (T ∈ Cat → ((n ∈ (H
‘〈a, A〉) ⋀ F ∈ (H
‘〈A, B〉) ⋀ G ∈ (H
‘〈B, C〉)) → ((GRF)Rn) = (GR(FRn)))))) |
| 40 | 39 | com14 38 |
. . . . . . . . . . . . . . . . 17
⊢ ((n
∈ (H ‘〈a, A〉)
⋀ F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
→ ((A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
→ (T ∈ Cat → (a ∈ O
→ ((GRF)Rn) = (GR(FRn)))))) |
| 41 | 40 | 3expib 834 |
. . . . . . . . . . . . . . . 16
⊢ (n
∈ (H ‘〈a, A〉)
→ ((F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
→ ((A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
→ (T ∈ Cat → (a ∈ O
→ ((GRF)Rn) = (GR(FRn))))))) |
| 42 | 41 | com23 32 |
. . . . . . . . . . . . . . 15
⊢ (n
∈ (H ‘〈a, A〉)
→ ((A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
→ ((F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
→ (T ∈ Cat → (a ∈ O
→ ((GRF)Rn) = (GR(FRn))))))) |
| 43 | 42 | com14 38 |
. . . . . . . . . . . . . 14
⊢ (T
∈ Cat → ((A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
→ ((F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
→ (n ∈ (H ‘〈a, A〉)
→ (a ∈ O → ((GRF)Rn) = (GR(FRn))))))) |
| 44 | 43 | 3imp 825 |
. . . . . . . . . . . . 13
⊢ ((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
→ (n ∈ (H ‘〈a, A〉)
→ (a ∈ O → ((GRF)Rn) = (GR(FRn))))) |
| 45 | 44 | com23 32 |
. . . . . . . . . . . 12
⊢ ((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
→ (a ∈ O → (n
∈ (H ‘〈a, A〉)
→ ((GRF)Rn) = (GR(FRn))))) |
| 46 | 45 | imp 350 |
. . . . . . . . . . 11
⊢ (((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
⋀ a ∈ O) → (n
∈ (H ‘〈a, A〉)
→ ((GRF)Rn) = (GR(FRn)))) |
| 47 | 46 | adantr 389 |
. . . . . . . . . 10
⊢ ((((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
⋀ a ∈ O) ⋀ m
∈ (H ‘〈a, A〉))
→ (n ∈ (H ‘〈a, A〉)
→ ((GRF)Rn) = (GR(FRn)))) |
| 48 | 47 | imp 350 |
. . . . . . . . 9
⊢ (((((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
⋀ a ∈ O) ⋀ m
∈ (H ‘〈a, A〉))
⋀ n ∈ (H ‘〈a, A〉))
→ ((GRF)Rn) = (GR(FRn))) |
| 49 | 18, 32, 48 | sylanc 471 |
. . . . . . . 8
⊢ (((((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
⋀ a ∈ O) ⋀ m
∈ (H ‘〈a, A〉))
⋀ n ∈ (H ‘〈a, A〉))
→ ((((GRF)Rm) = ((GRF)Rn) → m =
n) → ((FRm) = (FRn) →
m = n))) |
| 50 | 49 | r19.20dva 1701 |
. . . . . . 7
⊢ ((((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
⋀ a ∈ O) ⋀ m
∈ (H ‘〈a, A〉))
→ (∀n ∈ (H ‘〈a, A〉)(((GRF)Rm) = ((GRF)Rn) →
m = n)
→ ∀n ∈ (H ‘〈a, A〉)((FRm) = (FRn) →
m = n))) |
| 51 | 50 | r19.20dva 1701 |
. . . . . 6
⊢ (((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
⋀ a ∈ O) → (∀m ∈ (H
‘〈a, A〉)∀n ∈ (H
‘〈a, A〉)(((GRF)Rm) = ((GRF)Rn) →
m = n)
→ ∀m ∈ (H ‘〈a, A〉)∀n ∈ (H
‘〈a, A〉)((FRm) = (FRn) →
m = n))) |
| 52 | 51 | r19.20dva 1701 |
. . . . 5
⊢ ((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
→ (∀a ∈ O ∀m
∈ (H ‘〈a, A〉)∀n ∈ (H
‘〈a, A〉)(((GRF)Rm) = ((GRF)Rn) →
m = n)
→ ∀a ∈ O ∀m
∈ (H ‘〈a, A〉)∀n ∈ (H
‘〈a, A〉)((FRm) = (FRn) →
m = n))) |
| 53 | 10, 52 | sylbid 203 |
. . . 4
⊢ ((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉)))
→ ((GRF) ∈
(Monic ‘T) → ∀a ∈ O
∀m ∈ (H ‘〈a, A〉)∀n ∈ (H
‘〈a, A〉)((FRm) = (FRn) →
m = n))) |
| 54 | 53 | 3exp 830 |
. . 3
⊢ (T
∈ Cat → ((A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
→ ((F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
→ ((GRF) ∈
(Monic ‘T) → ∀a ∈ O
∀m ∈ (H ‘〈a, A〉)∀n ∈ (H
‘〈a, A〉)((FRm) = (FRn) →
m = n))))) |
| 55 | 54 | 3imp2 846 |
. 2
⊢ ((T
∈ Cat ⋀ ((A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
⋀ (GRF) ∈
(Monic ‘T))) → ∀a ∈ O
∀m ∈ (H ‘〈a, A〉)∀n ∈ (H
‘〈a, A〉)((FRm) = (FRn) →
m = n)) |
| 56 | 1, 2, 3 | ismonc 10584 |
. . 3
⊢ ((T
∈ Cat ⋀ (A ∈ O ⋀ B
∈ O) ⋀ F ∈ (H
‘〈A, B〉)) → (F ∈ (Monic ‘T) ↔ ∀a ∈ O
∀m ∈ (H ‘〈a, A〉)∀n ∈ (H
‘〈a, A〉)((FRm) = (FRn) →
m = n))) |
| 57 | | pm3.26 319 |
. . 3
⊢ ((T
∈ Cat ⋀ ((A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
⋀ (GRF) ∈
(Monic ‘T))) → T ∈ Cat) |
| 58 | | 3simpa 783 |
. . . . 5
⊢ ((A
∈ O ⋀ B ∈ O
⋀ C ∈ O) → (A
∈ O ⋀ B ∈ O)) |
| 59 | 58 | 3ad2ant1 798 |
. . . 4
⊢ (((A
∈ O ⋀ B ∈ O
⋀ C ∈ O) ⋀ (F
∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
⋀ (GRF) ∈
(Monic ‘T)) → (A ∈ O
⋀ B ∈ O)) |
| 60 | 59 | adantl 388 |
. . 3
⊢ ((T
∈ Cat ⋀ ((A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
⋀ (GRF) ∈
(Monic ‘T))) → (A ∈ O
⋀ B ∈ O)) |
| 61 | | 3simp2 787 |
. . . . 5
⊢ (((A
∈ O ⋀ B ∈ O
⋀ C ∈ O) ⋀ (F
∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
⋀ (GRF) ∈
(Monic ‘T)) → (F ∈ (H
‘〈A, B〉) ⋀ G ∈ (H
‘〈B, C〉))) |
| 62 | 61 | pm3.26d 321 |
. . . 4
⊢ (((A
∈ O ⋀ B ∈ O
⋀ C ∈ O) ⋀ (F
∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
⋀ (GRF) ∈
(Monic ‘T)) → F ∈ (H
‘〈A, B〉)) |
| 63 | 62 | adantl 388 |
. . 3
⊢ ((T
∈ Cat ⋀ ((A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
⋀ (GRF) ∈
(Monic ‘T))) → F ∈ (H
‘〈A, B〉)) |
| 64 | 56, 57, 60, 63 | syl3anc 856 |
. 2
⊢ ((T
∈ Cat ⋀ ((A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
⋀ (GRF) ∈
(Monic ‘T))) → (F ∈ (Monic ‘T) ↔ ∀a ∈ O
∀m ∈ (H ‘〈a, A〉)∀n ∈ (H
‘〈a, A〉)((FRm) = (FRn) →
m = n))) |
| 65 | 55, 64 | mpbird 196 |
1
⊢ ((T
∈ Cat ⋀ ((A ∈ O ⋀ B
∈ O ⋀ C ∈ O)
⋀ (F ∈ (H ‘〈A, B〉)
⋀ G ∈ (H ‘〈B, C〉))
⋀ (GRF) ∈
(Monic ‘T))) → F ∈ (Monic ‘T)) |