Theorem islmd 50053

Description: The universal property of limits of a diagram. (Contributed by Zhi Wang, 14-Nov-2025.)

Hypotheses

Ref	Expression
islmd.l	⊢ 𝐿 = (𝐶Δfunc𝐷)
islmd.a	⊢ 𝐴 = (Base‘𝐶)
islmd.n	⊢ 𝑁 = (𝐷 Nat 𝐶)
islmd.b	⊢ 𝐵 = (Base‘𝐷)
islmd.h	⊢ 𝐻 = (Hom ‘𝐶)
islmd.x	⊢ · = (comp‘𝐶)

Assertion

Ref	Expression
islmd	⊢ (𝑋((𝐶 Limit 𝐷)‘𝐹)𝑅 ↔ ((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ ∀𝑥 ∈ 𝐴 ∀𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹)∃!𝑚 ∈ (𝑥𝐻𝑋)𝑎 = (𝑗 ∈ 𝐵 ↦ ((𝑅‘𝑗)(⟨𝑥, 𝑋⟩ · ((1st ‘𝐹)‘𝑗))𝑚))))

Distinct variable groups:   · ,𝑗   𝐴,𝑎,𝑗,𝑚,𝑥   𝐵,𝑗   𝐶,𝑎,𝑗,𝑚,𝑥   𝐷,𝑎,𝑗,𝑚,𝑥   𝐹,𝑎,𝑗,𝑚,𝑥   𝑗,𝐻,𝑚   𝐿,𝑎,𝑗,𝑚,𝑥   𝑁,𝑎,𝑗,𝑚,𝑥   𝑅,𝑎,𝑗,𝑚,𝑥   𝑋,𝑎,𝑗,𝑚,𝑥

Allowed substitution hints:   𝐵(𝑥,𝑚,𝑎)   · (𝑥,𝑚,𝑎)   𝐻(𝑥,𝑎)

Proof of Theorem islmd

Step	Hyp	Ref	Expression
1		lmdfval2 50043	. . . 4 ⊢ ((𝐶 Limit 𝐷)‘𝐹) = (( oppFunc ‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)
2		islmd.l	. . . . . 6 ⊢ 𝐿 = (𝐶Δfunc𝐷)
3	2	fveq2i 6847	. . . . 5 ⊢ ( oppFunc ‘𝐿) = ( oppFunc ‘(𝐶Δfunc𝐷))
4	3	oveq1i 7380	. . . 4 ⊢ (( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹) = (( oppFunc ‘(𝐶Δfunc𝐷))((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)
5	1, 4	eqtr4i 2763	. . 3 ⊢ ((𝐶 Limit 𝐷)‘𝐹) = (( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)
6	5	breqi 5106	. 2 ⊢ (𝑋((𝐶 Limit 𝐷)‘𝐹)𝑅 ↔ 𝑋(( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅)
7		id 22	. . . . . 6 ⊢ (𝑋(( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅 → 𝑋(( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅)
8	7	up1st2nd 49573	. . . . 5 ⊢ (𝑋(( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅 → 𝑋(⟨(1st ‘( oppFunc ‘𝐿)), (2nd ‘( oppFunc ‘𝐿))⟩((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅)
9		eqid 2737	. . . . 5 ⊢ (oppCat‘𝐶) = (oppCat‘𝐶)
10		islmd.a	. . . . 5 ⊢ 𝐴 = (Base‘𝐶)
11	8, 9, 10	oppcuprcl4 49587	. . . 4 ⊢ (𝑋(( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅 → 𝑋 ∈ 𝐴)
12		eqid 2737	. . . . . . . 8 ⊢ (oppCat‘(𝐷 FuncCat 𝐶)) = (oppCat‘(𝐷 FuncCat 𝐶))
13		eqid 2737	. . . . . . . . 9 ⊢ (𝐷 FuncCat 𝐶) = (𝐷 FuncCat 𝐶)
14	13	fucbas 17901	. . . . . . . 8 ⊢ (𝐷 Func 𝐶) = (Base‘(𝐷 FuncCat 𝐶))
15	8, 12, 14	oppcuprcl3 49588	. . . . . . 7 ⊢ (𝑋(( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅 → 𝐹 ∈ (𝐷 Func 𝐶))
16		simpr 484	. . . . . . . . . . . . 13 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝐹 ∈ (𝐷 Func 𝐶)) → 𝐹 ∈ (𝐷 Func 𝐶))
17	16	func1st2nd 49464	. . . . . . . . . . . 12 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝐹 ∈ (𝐷 Func 𝐶)) → (1st ‘𝐹)(𝐷 Func 𝐶)(2nd ‘𝐹))
18	17	funcrcl3 49468	. . . . . . . . . . 11 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝐹 ∈ (𝐷 Func 𝐶)) → 𝐶 ∈ Cat)
19	17	funcrcl2 49467	. . . . . . . . . . 11 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝐹 ∈ (𝐷 Func 𝐶)) → 𝐷 ∈ Cat)
20	2, 18, 19, 13	diagcl 18178	. . . . . . . . . 10 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝐹 ∈ (𝐷 Func 𝐶)) → 𝐿 ∈ (𝐶 Func (𝐷 FuncCat 𝐶)))
21		oppfval2 49525	. . . . . . . . . 10 ⊢ (𝐿 ∈ (𝐶 Func (𝐷 FuncCat 𝐶)) → ( oppFunc ‘𝐿) = ⟨(1st ‘𝐿), tpos (2nd ‘𝐿)⟩)
22	20, 21	syl 17	. . . . . . . . 9 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝐹 ∈ (𝐷 Func 𝐶)) → ( oppFunc ‘𝐿) = ⟨(1st ‘𝐿), tpos (2nd ‘𝐿)⟩)
23	22	oveq1d 7385	. . . . . . . 8 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝐹 ∈ (𝐷 Func 𝐶)) → (( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹) = (⟨(1st ‘𝐿), tpos (2nd ‘𝐿)⟩((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹))
24	23	breqd 5111	. . . . . . 7 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝐹 ∈ (𝐷 Func 𝐶)) → (𝑋(( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅 ↔ 𝑋(⟨(1st ‘𝐿), tpos (2nd ‘𝐿)⟩((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅))
25	11, 15, 24	syl2anc 585	. . . . . 6 ⊢ (𝑋(( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅 → (𝑋(( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅 ↔ 𝑋(⟨(1st ‘𝐿), tpos (2nd ‘𝐿)⟩((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅))
26	25	ibi 267	. . . . 5 ⊢ (𝑋(( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅 → 𝑋(⟨(1st ‘𝐿), tpos (2nd ‘𝐿)⟩((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅)
27		islmd.n	. . . . . 6 ⊢ 𝑁 = (𝐷 Nat 𝐶)
28	13, 27	fuchom 17902	. . . . 5 ⊢ 𝑁 = (Hom ‘(𝐷 FuncCat 𝐶))
29	26, 12, 28	oppcuprcl5 49589	. . . 4 ⊢ (𝑋(( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅 → 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹))
30	11, 29	jca 511	. . 3 ⊢ (𝑋(( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅 → (𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)))
31	27	natrcl 17891	. . . . . 6 ⊢ (𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹) → (((1st ‘𝐿)‘𝑋) ∈ (𝐷 Func 𝐶) ∧ 𝐹 ∈ (𝐷 Func 𝐶)))
32	31	simprd 495	. . . . 5 ⊢ (𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹) → 𝐹 ∈ (𝐷 Func 𝐶))
33	32, 24	sylan2 594	. . . 4 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) → (𝑋(( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅 ↔ 𝑋(⟨(1st ‘𝐿), tpos (2nd ‘𝐿)⟩((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅))
34		islmd.h	. . . . 5 ⊢ 𝐻 = (Hom ‘𝐶)
35		eqid 2737	. . . . 5 ⊢ (comp‘(𝐷 FuncCat 𝐶)) = (comp‘(𝐷 FuncCat 𝐶))
36	32	adantl 481	. . . . 5 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) → 𝐹 ∈ (𝐷 Func 𝐶))
37	32, 20	sylan2 594	. . . . . 6 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) → 𝐿 ∈ (𝐶 Func (𝐷 FuncCat 𝐶)))
38	37	func1st2nd 49464	. . . . 5 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) → (1st ‘𝐿)(𝐶 Func (𝐷 FuncCat 𝐶))(2nd ‘𝐿))
39		simpl 482	. . . . 5 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) → 𝑋 ∈ 𝐴)
40		simpr 484	. . . . 5 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) → 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹))
41	10, 14, 34, 28, 35, 36, 38, 39, 40, 9, 12	oppcup 49595	. . . 4 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) → (𝑋(⟨(1st ‘𝐿), tpos (2nd ‘𝐿)⟩((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅 ↔ ∀𝑥 ∈ 𝐴 ∀𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹)∃!𝑚 ∈ (𝑥𝐻𝑋)𝑎 = (𝑅(⟨((1st ‘𝐿)‘𝑥), ((1st ‘𝐿)‘𝑋)⟩(comp‘(𝐷 FuncCat 𝐶))𝐹)((𝑥(2nd ‘𝐿)𝑋)‘𝑚))))
42		islmd.b	. . . . . . . . . 10 ⊢ 𝐵 = (Base‘𝐷)
43	32, 18	sylan2 594	. . . . . . . . . . 11 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) → 𝐶 ∈ Cat)
44	43	ad2antrr 727	. . . . . . . . . 10 ⊢ ((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) → 𝐶 ∈ Cat)
45	32, 19	sylan2 594	. . . . . . . . . . 11 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) → 𝐷 ∈ Cat)
46	45	ad2antrr 727	. . . . . . . . . 10 ⊢ ((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) → 𝐷 ∈ Cat)
47		simplrl 777	. . . . . . . . . 10 ⊢ ((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) → 𝑥 ∈ 𝐴)
48	39	ad2antrr 727	. . . . . . . . . 10 ⊢ ((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) → 𝑋 ∈ 𝐴)
49		simpr 484	. . . . . . . . . 10 ⊢ ((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) → 𝑚 ∈ (𝑥𝐻𝑋))
50	2, 10, 42, 34, 44, 46, 47, 48, 49	diag2 18182	. . . . . . . . 9 ⊢ ((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) → ((𝑥(2nd ‘𝐿)𝑋)‘𝑚) = (𝐵 × {𝑚}))
51	50	oveq2d 7386	. . . . . . . 8 ⊢ ((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) → (𝑅(⟨((1st ‘𝐿)‘𝑥), ((1st ‘𝐿)‘𝑋)⟩(comp‘(𝐷 FuncCat 𝐶))𝐹)((𝑥(2nd ‘𝐿)𝑋)‘𝑚)) = (𝑅(⟨((1st ‘𝐿)‘𝑥), ((1st ‘𝐿)‘𝑋)⟩(comp‘(𝐷 FuncCat 𝐶))𝐹)(𝐵 × {𝑚})))
52		islmd.x	. . . . . . . . 9 ⊢ · = (comp‘𝐶)
53	2, 10, 42, 34, 44, 46, 47, 48, 49, 27	diag2cl 18183	. . . . . . . . 9 ⊢ ((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) → (𝐵 × {𝑚}) ∈ (((1st ‘𝐿)‘𝑥)𝑁((1st ‘𝐿)‘𝑋)))
54	40	ad2antrr 727	. . . . . . . . 9 ⊢ ((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) → 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹))
55	13, 27, 42, 52, 35, 53, 54	fucco 17903	. . . . . . . 8 ⊢ ((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) → (𝑅(⟨((1st ‘𝐿)‘𝑥), ((1st ‘𝐿)‘𝑋)⟩(comp‘(𝐷 FuncCat 𝐶))𝐹)(𝐵 × {𝑚})) = (𝑗 ∈ 𝐵 ↦ ((𝑅‘𝑗)(⟨((1st ‘((1st ‘𝐿)‘𝑥))‘𝑗), ((1st ‘((1st ‘𝐿)‘𝑋))‘𝑗)⟩ · ((1st ‘𝐹)‘𝑗))((𝐵 × {𝑚})‘𝑗))))
56	44	adantr 480	. . . . . . . . . . . . 13 ⊢ (((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) ∧ 𝑗 ∈ 𝐵) → 𝐶 ∈ Cat)
57	46	adantr 480	. . . . . . . . . . . . 13 ⊢ (((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) ∧ 𝑗 ∈ 𝐵) → 𝐷 ∈ Cat)
58	47	adantr 480	. . . . . . . . . . . . 13 ⊢ (((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) ∧ 𝑗 ∈ 𝐵) → 𝑥 ∈ 𝐴)
59		eqid 2737	. . . . . . . . . . . . 13 ⊢ ((1st ‘𝐿)‘𝑥) = ((1st ‘𝐿)‘𝑥)
60		simpr 484	. . . . . . . . . . . . 13 ⊢ (((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) ∧ 𝑗 ∈ 𝐵) → 𝑗 ∈ 𝐵)
61	2, 56, 57, 10, 58, 59, 42, 60	diag11 18180	. . . . . . . . . . . 12 ⊢ (((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) ∧ 𝑗 ∈ 𝐵) → ((1st ‘((1st ‘𝐿)‘𝑥))‘𝑗) = 𝑥)
62	48	adantr 480	. . . . . . . . . . . . 13 ⊢ (((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) ∧ 𝑗 ∈ 𝐵) → 𝑋 ∈ 𝐴)
63		eqid 2737	. . . . . . . . . . . . 13 ⊢ ((1st ‘𝐿)‘𝑋) = ((1st ‘𝐿)‘𝑋)
64	2, 56, 57, 10, 62, 63, 42, 60	diag11 18180	. . . . . . . . . . . 12 ⊢ (((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) ∧ 𝑗 ∈ 𝐵) → ((1st ‘((1st ‘𝐿)‘𝑋))‘𝑗) = 𝑋)
65	61, 64	opeq12d 4839	. . . . . . . . . . 11 ⊢ (((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) ∧ 𝑗 ∈ 𝐵) → ⟨((1st ‘((1st ‘𝐿)‘𝑥))‘𝑗), ((1st ‘((1st ‘𝐿)‘𝑋))‘𝑗)⟩ = ⟨𝑥, 𝑋⟩)
66	65	oveq1d 7385	. . . . . . . . . 10 ⊢ (((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) ∧ 𝑗 ∈ 𝐵) → (⟨((1st ‘((1st ‘𝐿)‘𝑥))‘𝑗), ((1st ‘((1st ‘𝐿)‘𝑋))‘𝑗)⟩ · ((1st ‘𝐹)‘𝑗)) = (⟨𝑥, 𝑋⟩ · ((1st ‘𝐹)‘𝑗)))
67		eqidd 2738	. . . . . . . . . 10 ⊢ (((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) ∧ 𝑗 ∈ 𝐵) → (𝑅‘𝑗) = (𝑅‘𝑗))
68		vex 3446	. . . . . . . . . . . 12 ⊢ 𝑚 ∈ V
69	68	fvconst2 7162	. . . . . . . . . . 11 ⊢ (𝑗 ∈ 𝐵 → ((𝐵 × {𝑚})‘𝑗) = 𝑚)
70	69	adantl 481	. . . . . . . . . 10 ⊢ (((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) ∧ 𝑗 ∈ 𝐵) → ((𝐵 × {𝑚})‘𝑗) = 𝑚)
71	66, 67, 70	oveq123d 7391	. . . . . . . . 9 ⊢ (((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) ∧ 𝑗 ∈ 𝐵) → ((𝑅‘𝑗)(⟨((1st ‘((1st ‘𝐿)‘𝑥))‘𝑗), ((1st ‘((1st ‘𝐿)‘𝑋))‘𝑗)⟩ · ((1st ‘𝐹)‘𝑗))((𝐵 × {𝑚})‘𝑗)) = ((𝑅‘𝑗)(⟨𝑥, 𝑋⟩ · ((1st ‘𝐹)‘𝑗))𝑚))
72	71	mpteq2dva 5193	. . . . . . . 8 ⊢ ((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) → (𝑗 ∈ 𝐵 ↦ ((𝑅‘𝑗)(⟨((1st ‘((1st ‘𝐿)‘𝑥))‘𝑗), ((1st ‘((1st ‘𝐿)‘𝑋))‘𝑗)⟩ · ((1st ‘𝐹)‘𝑗))((𝐵 × {𝑚})‘𝑗))) = (𝑗 ∈ 𝐵 ↦ ((𝑅‘𝑗)(⟨𝑥, 𝑋⟩ · ((1st ‘𝐹)‘𝑗))𝑚)))
73	51, 55, 72	3eqtrd 2776	. . . . . . 7 ⊢ ((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) → (𝑅(⟨((1st ‘𝐿)‘𝑥), ((1st ‘𝐿)‘𝑋)⟩(comp‘(𝐷 FuncCat 𝐶))𝐹)((𝑥(2nd ‘𝐿)𝑋)‘𝑚)) = (𝑗 ∈ 𝐵 ↦ ((𝑅‘𝑗)(⟨𝑥, 𝑋⟩ · ((1st ‘𝐹)‘𝑗))𝑚)))
74	73	eqeq2d 2748	. . . . . 6 ⊢ ((((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) ∧ 𝑚 ∈ (𝑥𝐻𝑋)) → (𝑎 = (𝑅(⟨((1st ‘𝐿)‘𝑥), ((1st ‘𝐿)‘𝑋)⟩(comp‘(𝐷 FuncCat 𝐶))𝐹)((𝑥(2nd ‘𝐿)𝑋)‘𝑚)) ↔ 𝑎 = (𝑗 ∈ 𝐵 ↦ ((𝑅‘𝑗)(⟨𝑥, 𝑋⟩ · ((1st ‘𝐹)‘𝑗))𝑚))))
75	74	reubidva 3366	. . . . 5 ⊢ (((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ (𝑥 ∈ 𝐴 ∧ 𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹))) → (∃!𝑚 ∈ (𝑥𝐻𝑋)𝑎 = (𝑅(⟨((1st ‘𝐿)‘𝑥), ((1st ‘𝐿)‘𝑋)⟩(comp‘(𝐷 FuncCat 𝐶))𝐹)((𝑥(2nd ‘𝐿)𝑋)‘𝑚)) ↔ ∃!𝑚 ∈ (𝑥𝐻𝑋)𝑎 = (𝑗 ∈ 𝐵 ↦ ((𝑅‘𝑗)(⟨𝑥, 𝑋⟩ · ((1st ‘𝐹)‘𝑗))𝑚))))
76	75	2ralbidva 3200	. . . 4 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) → (∀𝑥 ∈ 𝐴 ∀𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹)∃!𝑚 ∈ (𝑥𝐻𝑋)𝑎 = (𝑅(⟨((1st ‘𝐿)‘𝑥), ((1st ‘𝐿)‘𝑋)⟩(comp‘(𝐷 FuncCat 𝐶))𝐹)((𝑥(2nd ‘𝐿)𝑋)‘𝑚)) ↔ ∀𝑥 ∈ 𝐴 ∀𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹)∃!𝑚 ∈ (𝑥𝐻𝑋)𝑎 = (𝑗 ∈ 𝐵 ↦ ((𝑅‘𝑗)(⟨𝑥, 𝑋⟩ · ((1st ‘𝐹)‘𝑗))𝑚))))
77	33, 41, 76	3bitrd 305	. . 3 ⊢ ((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) → (𝑋(( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅 ↔ ∀𝑥 ∈ 𝐴 ∀𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹)∃!𝑚 ∈ (𝑥𝐻𝑋)𝑎 = (𝑗 ∈ 𝐵 ↦ ((𝑅‘𝑗)(⟨𝑥, 𝑋⟩ · ((1st ‘𝐹)‘𝑗))𝑚))))
78	30, 77	biadanii 822	. 2 ⊢ (𝑋(( oppFunc ‘𝐿)((oppCat‘𝐶) UP (oppCat‘(𝐷 FuncCat 𝐶)))𝐹)𝑅 ↔ ((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ ∀𝑥 ∈ 𝐴 ∀𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹)∃!𝑚 ∈ (𝑥𝐻𝑋)𝑎 = (𝑗 ∈ 𝐵 ↦ ((𝑅‘𝑗)(⟨𝑥, 𝑋⟩ · ((1st ‘𝐹)‘𝑗))𝑚))))
79	6, 78	bitri 275	1 ⊢ (𝑋((𝐶 Limit 𝐷)‘𝐹)𝑅 ↔ ((𝑋 ∈ 𝐴 ∧ 𝑅 ∈ (((1st ‘𝐿)‘𝑋)𝑁𝐹)) ∧ ∀𝑥 ∈ 𝐴 ∀𝑎 ∈ (((1st ‘𝐿)‘𝑥)𝑁𝐹)∃!𝑚 ∈ (𝑥𝐻𝑋)𝑎 = (𝑗 ∈ 𝐵 ↦ ((𝑅‘𝑗)(⟨𝑥, 𝑋⟩ · ((1st ‘𝐹)‘𝑗))𝑚))))

Syntax hints:   ↔ wb 206   ∧ wa 395   = wceq 1542   ∈ wcel 2114  ∀wral 3052  ∃!wreu 3350  {csn 4582  ⟨cop 4588   class class class wbr 5100   ↦ cmpt 5181   × cxp 5632  ‘cfv 6502  (class class class)co 7370  1^st c1st 7943  2^nd c2nd 7944  tpos ctpos 8179  Basecbs 17150  Hom chom 17202  compcco 17203  Catccat 17601  oppCatcoppc 17648   Func cfunc 17792   Nat cnat 17882   FuncCat cfuc 17883  Δ_funccdiag 18149   oppFunc coppf 49510   UP cup 49561   Limit clmd 50031

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 5226  ax-sep 5245  ax-nul 5255  ax-pow 5314  ax-pr 5381  ax-un 7692  ax-cnex 11096  ax-resscn 11097  ax-1cn 11098  ax-icn 11099  ax-addcl 11100  ax-addrcl 11101  ax-mulcl 11102  ax-mulrcl 11103  ax-mulcom 11104  ax-addass 11105  ax-mulass 11106  ax-distr 11107  ax-i2m1 11108  ax-1ne0 11109  ax-1rid 11110  ax-rnegex 11111  ax-rrecex 11112  ax-cnre 11113  ax-pre-lttri 11114  ax-pre-lttrn 11115  ax-pre-ltadd 11116  ax-pre-mulgt0 11117

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  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-nel 3038  df-ral 3053  df-rex 3063  df-rmo 3352  df-reu 3353  df-rab 3402  df-v 3444  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-pss 3923  df-nul 4288  df-if 4482  df-pw 4558  df-sn 4583  df-pr 4585  df-tp 4587  df-op 4589  df-uni 4866  df-iun 4950  df-br 5101  df-opab 5163  df-mpt 5182  df-tr 5208  df-id 5529  df-eprel 5534  df-po 5542  df-so 5543  df-fr 5587  df-we 5589  df-xp 5640  df-rel 5641  df-cnv 5642  df-co 5643  df-dm 5644  df-rn 5645  df-res 5646  df-ima 5647  df-pred 6269  df-ord 6330  df-on 6331  df-lim 6332  df-suc 6333  df-iota 6458  df-fun 6504  df-fn 6505  df-f 6506  df-f1 6507  df-fo 6508  df-f1o 6509  df-fv 6510  df-riota 7327  df-ov 7373  df-oprab 7374  df-mpo 7375  df-om 7821  df-1st 7945  df-2nd 7946  df-tpos 8180  df-frecs 8235  df-wrecs 8266  df-recs 8315  df-rdg 8353  df-1o 8409  df-er 8647  df-map 8779  df-ixp 8850  df-en 8898  df-dom 8899  df-sdom 8900  df-fin 8901  df-pnf 11182  df-mnf 11183  df-xr 11184  df-ltxr 11185  df-le 11186  df-sub 11380  df-neg 11381  df-nn 12160  df-2 12222  df-3 12223  df-4 12224  df-5 12225  df-6 12226  df-7 12227  df-8 12228  df-9 12229  df-n0 12416  df-z 12503  df-dec 12622  df-uz 12766  df-fz 13438  df-struct 17088  df-sets 17105  df-slot 17123  df-ndx 17135  df-base 17151  df-hom 17215  df-cco 17216  df-cat 17605  df-cid 17606  df-oppc 17649  df-func 17796  df-nat 17884  df-fuc 17885  df-xpc 18109  df-1stf 18110  df-curf 18151  df-diag 18153  df-oppf 49511  df-up 49562  df-lmd 50033

This theorem is referenced by: (None)