Theorem yonpropd 16908

Description: If two categories have the same set of objects, morphisms, and compositions, then they have the same Yoneda functor. (Contributed by Mario Carneiro, 26-Jan-2017.)

Hypotheses

Ref	Expression
hofpropd.1	⊢ (𝜑 → (Homf ‘𝐶) = (Homf ‘𝐷))
hofpropd.2	⊢ (𝜑 → (compf‘𝐶) = (compf‘𝐷))
hofpropd.c	⊢ (𝜑 → 𝐶 ∈ Cat)
hofpropd.d	⊢ (𝜑 → 𝐷 ∈ Cat)

Assertion

Ref	Expression
yonpropd	⊢ (𝜑 → (Yon‘𝐶) = (Yon‘𝐷))

Proof of Theorem yonpropd

Step	Hyp	Ref	Expression
1		hofpropd.1	. . . 4 ⊢ (𝜑 → (Homf ‘𝐶) = (Homf ‘𝐷))
2		hofpropd.2	. . . 4 ⊢ (𝜑 → (compf‘𝐶) = (compf‘𝐷))
3	1	oppchomfpropd 16386	. . . 4 ⊢ (𝜑 → (Homf ‘(oppCat‘𝐶)) = (Homf ‘(oppCat‘𝐷)))
4	1, 2	oppccomfpropd 16387	. . . 4 ⊢ (𝜑 → (compf‘(oppCat‘𝐶)) = (compf‘(oppCat‘𝐷)))
5		hofpropd.c	. . . 4 ⊢ (𝜑 → 𝐶 ∈ Cat)
6		hofpropd.d	. . . 4 ⊢ (𝜑 → 𝐷 ∈ Cat)
7		eqid 2622	. . . . . 6 ⊢ (oppCat‘𝐶) = (oppCat‘𝐶)
8	7	oppccat 16382	. . . . 5 ⊢ (𝐶 ∈ Cat → (oppCat‘𝐶) ∈ Cat)
9	5, 8	syl 17	. . . 4 ⊢ (𝜑 → (oppCat‘𝐶) ∈ Cat)
10		eqid 2622	. . . . . 6 ⊢ (oppCat‘𝐷) = (oppCat‘𝐷)
11	10	oppccat 16382	. . . . 5 ⊢ (𝐷 ∈ Cat → (oppCat‘𝐷) ∈ Cat)
12	6, 11	syl 17	. . . 4 ⊢ (𝜑 → (oppCat‘𝐷) ∈ Cat)
13		eqid 2622	. . . . 5 ⊢ (HomF‘(oppCat‘𝐶)) = (HomF‘(oppCat‘𝐶))
14		eqid 2622	. . . . 5 ⊢ (SetCat‘ran (Homf ‘𝐶)) = (SetCat‘ran (Homf ‘𝐶))
15		fvex 6201	. . . . . . 7 ⊢ (Homf ‘𝐶) ∈ V
16	15	rnex 7100	. . . . . 6 ⊢ ran (Homf ‘𝐶) ∈ V
17	16	a1i 11	. . . . 5 ⊢ (𝜑 → ran (Homf ‘𝐶) ∈ V)
18		ssid 3624	. . . . . 6 ⊢ ran (Homf ‘𝐶) ⊆ ran (Homf ‘𝐶)
19	18	a1i 11	. . . . 5 ⊢ (𝜑 → ran (Homf ‘𝐶) ⊆ ran (Homf ‘𝐶))
20	7, 13, 14, 5, 17, 19	oppchofcl 16900	. . . 4 ⊢ (𝜑 → (HomF‘(oppCat‘𝐶)) ∈ ((𝐶 ×c (oppCat‘𝐶)) Func (SetCat‘ran (Homf ‘𝐶))))
21	1, 2, 3, 4, 5, 6, 9, 12, 20	curfpropd 16873	. . 3 ⊢ (𝜑 → (⟨𝐶, (oppCat‘𝐶)⟩ curryF (HomF‘(oppCat‘𝐶))) = (⟨𝐷, (oppCat‘𝐷)⟩ curryF (HomF‘(oppCat‘𝐶))))
22	3, 4, 9, 12	hofpropd 16907	. . . 4 ⊢ (𝜑 → (HomF‘(oppCat‘𝐶)) = (HomF‘(oppCat‘𝐷)))
23	22	oveq2d 6666	. . 3 ⊢ (𝜑 → (⟨𝐷, (oppCat‘𝐷)⟩ curryF (HomF‘(oppCat‘𝐶))) = (⟨𝐷, (oppCat‘𝐷)⟩ curryF (HomF‘(oppCat‘𝐷))))
24	21, 23	eqtrd 2656	. 2 ⊢ (𝜑 → (⟨𝐶, (oppCat‘𝐶)⟩ curryF (HomF‘(oppCat‘𝐶))) = (⟨𝐷, (oppCat‘𝐷)⟩ curryF (HomF‘(oppCat‘𝐷))))
25		eqid 2622	. . 3 ⊢ (Yon‘𝐶) = (Yon‘𝐶)
26	25, 5, 7, 13	yonval 16901	. 2 ⊢ (𝜑 → (Yon‘𝐶) = (⟨𝐶, (oppCat‘𝐶)⟩ curryF (HomF‘(oppCat‘𝐶))))
27		eqid 2622	. . 3 ⊢ (Yon‘𝐷) = (Yon‘𝐷)
28		eqid 2622	. . 3 ⊢ (HomF‘(oppCat‘𝐷)) = (HomF‘(oppCat‘𝐷))
29	27, 6, 10, 28	yonval 16901	. 2 ⊢ (𝜑 → (Yon‘𝐷) = (⟨𝐷, (oppCat‘𝐷)⟩ curryF (HomF‘(oppCat‘𝐷))))
30	24, 26, 29	3eqtr4d 2666	1 ⊢ (𝜑 → (Yon‘𝐶) = (Yon‘𝐷))

Syntax hints:   → wi 4   = wceq 1483   ∈ wcel 1990  Vcvv 3200   ⊆ wss 3574  ⟨cop 4183  ran crn 5115  ‘cfv 5888  (class class class)co 6650  Catccat 16325  Hom_f chomf 16327  comp_fccomf 16328  oppCatcoppc 16371  SetCatcsetc 16725   curry_F ccurf 16850  Hom_Fchof 16888  Yoncyon 16889

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949  ax-cnex 9992  ax-resscn 9993  ax-1cn 9994  ax-icn 9995  ax-addcl 9996  ax-addrcl 9997  ax-mulcl 9998  ax-mulrcl 9999  ax-mulcom 10000  ax-addass 10001  ax-mulass 10002  ax-distr 10003  ax-i2m1 10004  ax-1ne0 10005  ax-1rid 10006  ax-rnegex 10007  ax-rrecex 10008  ax-cnre 10009  ax-pre-lttri 10010  ax-pre-lttrn 10011  ax-pre-ltadd 10012  ax-pre-mulgt0 10013

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1038  df-3an 1039  df-tru 1486  df-fal 1489  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-nel 2898  df-ral 2917  df-rex 2918  df-reu 2919  df-rmo 2920  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-pss 3590  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-tp 4182  df-op 4184  df-uni 4437  df-int 4476  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-tr 4753  df-id 5024  df-eprel 5029  df-po 5035  df-so 5036  df-fr 5073  df-we 5075  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-pred 5680  df-ord 5726  df-on 5727  df-lim 5728  df-suc 5729  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-riota 6611  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-om 7066  df-1st 7168  df-2nd 7169  df-tpos 7352  df-wrecs 7407  df-recs 7468  df-rdg 7506  df-1o 7560  df-oadd 7564  df-er 7742  df-map 7859  df-ixp 7909  df-en 7956  df-dom 7957  df-sdom 7958  df-fin 7959  df-pnf 10076  df-mnf 10077  df-xr 10078  df-ltxr 10079  df-le 10080  df-sub 10268  df-neg 10269  df-nn 11021  df-2 11079  df-3 11080  df-4 11081  df-5 11082  df-6 11083  df-7 11084  df-8 11085  df-9 11086  df-n0 11293  df-z 11378  df-dec 11494  df-uz 11688  df-fz 12327  df-struct 15859  df-ndx 15860  df-slot 15861  df-base 15863  df-sets 15864  df-hom 15966  df-cco 15967  df-cat 16329  df-cid 16330  df-homf 16331  df-comf 16332  df-oppc 16372  df-func 16518  df-setc 16726  df-xpc 16812  df-curf 16854  df-hof 16890  df-yon 16891

This theorem is referenced by: (None)