Theorem mapfien 9348

Description: A bijection of the base sets induces a bijection on the set of finitely supported functions. (Contributed by Mario Carneiro, 30-May-2015.) (Revised by AV, 3-Jul-2019.) (Revised by AV, 28-Jul-2024.)

Hypotheses

Ref	Expression
mapfien.s	⊢ 𝑆 = {𝑥 ∈ (𝐵 ↑m 𝐴) ∣ 𝑥 finSupp 𝑍}
mapfien.t	⊢ 𝑇 = {𝑥 ∈ (𝐷 ↑m 𝐶) ∣ 𝑥 finSupp 𝑊}
mapfien.w	⊢ 𝑊 = (𝐺‘𝑍)
mapfien.f	⊢ (𝜑 → 𝐹:𝐶–1-1-onto→𝐴)
mapfien.g	⊢ (𝜑 → 𝐺:𝐵–1-1-onto→𝐷)
mapfien.a	⊢ (𝜑 → 𝐴 ∈ 𝑈)
mapfien.b	⊢ (𝜑 → 𝐵 ∈ 𝑉)
mapfien.c	⊢ (𝜑 → 𝐶 ∈ 𝑋)
mapfien.d	⊢ (𝜑 → 𝐷 ∈ 𝑌)
mapfien.z	⊢ (𝜑 → 𝑍 ∈ 𝐵)

Assertion

Ref	Expression
mapfien	⊢ (𝜑 → (𝑓 ∈ 𝑆 ↦ (𝐺 ∘ (𝑓 ∘ 𝐹))):𝑆–1-1-onto→𝑇)

Distinct variable groups:   𝑥,𝐴   𝑥,𝐵   𝑥,𝐶   𝑥,𝑓,𝐹   𝑓,𝐺,𝑥   𝜑,𝑓   𝑥,𝐷   𝑆,𝑓   𝑇,𝑓   𝑥,𝑊   𝑥,𝑍

Allowed substitution hints:   𝜑(𝑥)   𝐴(𝑓)   𝐵(𝑓)   𝐶(𝑓)   𝐷(𝑓)   𝑆(𝑥)   𝑇(𝑥)   𝑈(𝑥,𝑓)   𝑉(𝑥,𝑓)   𝑊(𝑓)   𝑋(𝑥,𝑓)   𝑌(𝑥,𝑓)   𝑍(𝑓)

Proof of Theorem mapfien

Dummy variable 𝑔 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2761	. 2 ⊢ (𝑓 ∈ 𝑆 ↦ (𝐺 ∘ (𝑓 ∘ 𝐹))) = (𝑓 ∈ 𝑆 ↦ (𝐺 ∘ (𝑓 ∘ 𝐹)))
2		mapfien.g	. . . . . . 7 ⊢ (𝜑 → 𝐺:𝐵–1-1-onto→𝐷)
3		f1of 6801	. . . . . . 7 ⊢ (𝐺:𝐵–1-1-onto→𝐷 → 𝐺:𝐵⟶𝐷)
4	2, 3	syl 17	. . . . . 6 ⊢ (𝜑 → 𝐺:𝐵⟶𝐷)
5	4	adantr 484	. . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑆) → 𝐺:𝐵⟶𝐷)
6		breq1 5100	. . . . . . . . . 10 ⊢ (𝑥 = 𝑓 → (𝑥 finSupp 𝑍 ↔ 𝑓 finSupp 𝑍))
7		mapfien.s	. . . . . . . . . 10 ⊢ 𝑆 = {𝑥 ∈ (𝐵 ↑m 𝐴) ∣ 𝑥 finSupp 𝑍}
8	6, 7	elrab2 3652	. . . . . . . . 9 ⊢ (𝑓 ∈ 𝑆 ↔ (𝑓 ∈ (𝐵 ↑m 𝐴) ∧ 𝑓 finSupp 𝑍))
9	8	simplbi 500	. . . . . . . 8 ⊢ (𝑓 ∈ 𝑆 → 𝑓 ∈ (𝐵 ↑m 𝐴))
10	9	adantl 485	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑆) → 𝑓 ∈ (𝐵 ↑m 𝐴))
11		elmapi 8824	. . . . . . 7 ⊢ (𝑓 ∈ (𝐵 ↑m 𝐴) → 𝑓:𝐴⟶𝐵)
12	10, 11	syl 17	. . . . . 6 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑆) → 𝑓:𝐴⟶𝐵)
13		mapfien.f	. . . . . . . 8 ⊢ (𝜑 → 𝐹:𝐶–1-1-onto→𝐴)
14		f1of 6801	. . . . . . . 8 ⊢ (𝐹:𝐶–1-1-onto→𝐴 → 𝐹:𝐶⟶𝐴)
15	13, 14	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝐹:𝐶⟶𝐴)
16	15	adantr 484	. . . . . 6 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑆) → 𝐹:𝐶⟶𝐴)
17	12, 16	fcod 6712	. . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑆) → (𝑓 ∘ 𝐹):𝐶⟶𝐵)
18	5, 17	fcod 6712	. . . 4 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑆) → (𝐺 ∘ (𝑓 ∘ 𝐹)):𝐶⟶𝐷)
19		mapfien.d	. . . . . 6 ⊢ (𝜑 → 𝐷 ∈ 𝑌)
20		mapfien.c	. . . . . 6 ⊢ (𝜑 → 𝐶 ∈ 𝑋)
21	19, 20	elmapd 8815	. . . . 5 ⊢ (𝜑 → ((𝐺 ∘ (𝑓 ∘ 𝐹)) ∈ (𝐷 ↑m 𝐶) ↔ (𝐺 ∘ (𝑓 ∘ 𝐹)):𝐶⟶𝐷))
22	21	adantr 484	. . . 4 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑆) → ((𝐺 ∘ (𝑓 ∘ 𝐹)) ∈ (𝐷 ↑m 𝐶) ↔ (𝐺 ∘ (𝑓 ∘ 𝐹)):𝐶⟶𝐷))
23	18, 22	mpbird 259	. . 3 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑆) → (𝐺 ∘ (𝑓 ∘ 𝐹)) ∈ (𝐷 ↑m 𝐶))
24		mapfien.t	. . . 4 ⊢ 𝑇 = {𝑥 ∈ (𝐷 ↑m 𝐶) ∣ 𝑥 finSupp 𝑊}
25		mapfien.w	. . . 4 ⊢ 𝑊 = (𝐺‘𝑍)
26		mapfien.a	. . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝑈)
27		mapfien.b	. . . 4 ⊢ (𝜑 → 𝐵 ∈ 𝑉)
28		mapfien.z	. . . 4 ⊢ (𝜑 → 𝑍 ∈ 𝐵)
29	7, 24, 25, 13, 2, 26, 27, 20, 19, 28	mapfienlem1 9345	. . 3 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑆) → (𝐺 ∘ (𝑓 ∘ 𝐹)) finSupp 𝑊)
30		breq1 5100	. . . 4 ⊢ (𝑥 = (𝐺 ∘ (𝑓 ∘ 𝐹)) → (𝑥 finSupp 𝑊 ↔ (𝐺 ∘ (𝑓 ∘ 𝐹)) finSupp 𝑊))
31	30, 24	elrab2 3652	. . 3 ⊢ ((𝐺 ∘ (𝑓 ∘ 𝐹)) ∈ 𝑇 ↔ ((𝐺 ∘ (𝑓 ∘ 𝐹)) ∈ (𝐷 ↑m 𝐶) ∧ (𝐺 ∘ (𝑓 ∘ 𝐹)) finSupp 𝑊))
32	23, 29, 31	sylanbrc 592	. 2 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑆) → (𝐺 ∘ (𝑓 ∘ 𝐹)) ∈ 𝑇)
33	7, 24, 25, 13, 2, 26, 27, 20, 19, 28	mapfienlem3 9347	. 2 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) ∈ 𝑆)
34		coass 6248	. . . . . 6 ⊢ (((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) ∘ 𝐹) = ((◡𝐺 ∘ 𝑔) ∘ (◡𝐹 ∘ 𝐹))
35	13	adantr 484	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → 𝐹:𝐶–1-1-onto→𝐴)
36		f1ococnv1 6831	. . . . . . . . 9 ⊢ (𝐹:𝐶–1-1-onto→𝐴 → (◡𝐹 ∘ 𝐹) = ( I ↾ 𝐶))
37	35, 36	syl 17	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → (◡𝐹 ∘ 𝐹) = ( I ↾ 𝐶))
38	37	coeq2d 5830	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → ((◡𝐺 ∘ 𝑔) ∘ (◡𝐹 ∘ 𝐹)) = ((◡𝐺 ∘ 𝑔) ∘ ( I ↾ 𝐶)))
39		f1ocnv 6814	. . . . . . . . . . . 12 ⊢ (𝐺:𝐵–1-1-onto→𝐷 → ◡𝐺:𝐷–1-1-onto→𝐵)
40		f1of 6801	. . . . . . . . . . . 12 ⊢ (◡𝐺:𝐷–1-1-onto→𝐵 → ◡𝐺:𝐷⟶𝐵)
41	2, 39, 40	3syl 18	. . . . . . . . . . 11 ⊢ (𝜑 → ◡𝐺:𝐷⟶𝐵)
42	41	adantr 484	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → ◡𝐺:𝐷⟶𝐵)
43		breq1 5100	. . . . . . . . . . . . . 14 ⊢ (𝑥 = 𝑔 → (𝑥 finSupp 𝑊 ↔ 𝑔 finSupp 𝑊))
44	43, 24	elrab2 3652	. . . . . . . . . . . . 13 ⊢ (𝑔 ∈ 𝑇 ↔ (𝑔 ∈ (𝐷 ↑m 𝐶) ∧ 𝑔 finSupp 𝑊))
45	44	bilani 508	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → (𝑔 ∈ (𝐷 ↑m 𝐶) ∧ 𝑔 finSupp 𝑊))
46	45	simpld 498	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → 𝑔 ∈ (𝐷 ↑m 𝐶))
47		elmapi 8824	. . . . . . . . . . 11 ⊢ (𝑔 ∈ (𝐷 ↑m 𝐶) → 𝑔:𝐶⟶𝐷)
48	46, 47	syl 17	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → 𝑔:𝐶⟶𝐷)
49	42, 48	fcod 6712	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → (◡𝐺 ∘ 𝑔):𝐶⟶𝐵)
50	49	adantrl 726	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → (◡𝐺 ∘ 𝑔):𝐶⟶𝐵)
51		fcoi1 6733	. . . . . . . 8 ⊢ ((◡𝐺 ∘ 𝑔):𝐶⟶𝐵 → ((◡𝐺 ∘ 𝑔) ∘ ( I ↾ 𝐶)) = (◡𝐺 ∘ 𝑔))
52	50, 51	syl 17	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → ((◡𝐺 ∘ 𝑔) ∘ ( I ↾ 𝐶)) = (◡𝐺 ∘ 𝑔))
53	38, 52	eqtrd 2796	. . . . . 6 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → ((◡𝐺 ∘ 𝑔) ∘ (◡𝐹 ∘ 𝐹)) = (◡𝐺 ∘ 𝑔))
54	34, 53	eqtrid 2808	. . . . 5 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → (((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) ∘ 𝐹) = (◡𝐺 ∘ 𝑔))
55	54	eqeq2d 2772	. . . 4 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → ((𝑓 ∘ 𝐹) = (((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) ∘ 𝐹) ↔ (𝑓 ∘ 𝐹) = (◡𝐺 ∘ 𝑔)))
56		coass 6248	. . . . . . 7 ⊢ ((◡𝐺 ∘ 𝐺) ∘ (𝑓 ∘ 𝐹)) = (◡𝐺 ∘ (𝐺 ∘ (𝑓 ∘ 𝐹)))
57	2	adantr 484	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → 𝐺:𝐵–1-1-onto→𝐷)
58		f1ococnv1 6831	. . . . . . . . . 10 ⊢ (𝐺:𝐵–1-1-onto→𝐷 → (◡𝐺 ∘ 𝐺) = ( I ↾ 𝐵))
59	57, 58	syl 17	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → (◡𝐺 ∘ 𝐺) = ( I ↾ 𝐵))
60	59	coeq1d 5829	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → ((◡𝐺 ∘ 𝐺) ∘ (𝑓 ∘ 𝐹)) = (( I ↾ 𝐵) ∘ (𝑓 ∘ 𝐹)))
61	17	adantrr 727	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → (𝑓 ∘ 𝐹):𝐶⟶𝐵)
62		fcoi2 6734	. . . . . . . . 9 ⊢ ((𝑓 ∘ 𝐹):𝐶⟶𝐵 → (( I ↾ 𝐵) ∘ (𝑓 ∘ 𝐹)) = (𝑓 ∘ 𝐹))
63	61, 62	syl 17	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → (( I ↾ 𝐵) ∘ (𝑓 ∘ 𝐹)) = (𝑓 ∘ 𝐹))
64	60, 63	eqtrd 2796	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → ((◡𝐺 ∘ 𝐺) ∘ (𝑓 ∘ 𝐹)) = (𝑓 ∘ 𝐹))
65	56, 64	eqtr3id 2810	. . . . . 6 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → (◡𝐺 ∘ (𝐺 ∘ (𝑓 ∘ 𝐹))) = (𝑓 ∘ 𝐹))
66	65	eqeq2d 2772	. . . . 5 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → ((◡𝐺 ∘ 𝑔) = (◡𝐺 ∘ (𝐺 ∘ (𝑓 ∘ 𝐹))) ↔ (◡𝐺 ∘ 𝑔) = (𝑓 ∘ 𝐹)))
67		eqcom 2768	. . . . 5 ⊢ ((◡𝐺 ∘ 𝑔) = (𝑓 ∘ 𝐹) ↔ (𝑓 ∘ 𝐹) = (◡𝐺 ∘ 𝑔))
68	66, 67	bitrdi 289	. . . 4 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → ((◡𝐺 ∘ 𝑔) = (◡𝐺 ∘ (𝐺 ∘ (𝑓 ∘ 𝐹))) ↔ (𝑓 ∘ 𝐹) = (◡𝐺 ∘ 𝑔)))
69	55, 68	bitr4d 284	. . 3 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → ((𝑓 ∘ 𝐹) = (((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) ∘ 𝐹) ↔ (◡𝐺 ∘ 𝑔) = (◡𝐺 ∘ (𝐺 ∘ (𝑓 ∘ 𝐹)))))
70		f1ofo 6809	. . . . 5 ⊢ (𝐹:𝐶–1-1-onto→𝐴 → 𝐹:𝐶–onto→𝐴)
71	35, 70	syl 17	. . . 4 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → 𝐹:𝐶–onto→𝐴)
72		ffn 6686	. . . . . 6 ⊢ (𝑓:𝐴⟶𝐵 → 𝑓 Fn 𝐴)
73	10, 11, 72	3syl 18	. . . . 5 ⊢ ((𝜑 ∧ 𝑓 ∈ 𝑆) → 𝑓 Fn 𝐴)
74	73	adantrr 727	. . . 4 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → 𝑓 Fn 𝐴)
75		f1ocnv 6814	. . . . . . . . 9 ⊢ (𝐹:𝐶–1-1-onto→𝐴 → ◡𝐹:𝐴–1-1-onto→𝐶)
76		f1of 6801	. . . . . . . . 9 ⊢ (◡𝐹:𝐴–1-1-onto→𝐶 → ◡𝐹:𝐴⟶𝐶)
77	13, 75, 76	3syl 18	. . . . . . . 8 ⊢ (𝜑 → ◡𝐹:𝐴⟶𝐶)
78	77	adantr 484	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → ◡𝐹:𝐴⟶𝐶)
79	49, 78	fcod 6712	. . . . . 6 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹):𝐴⟶𝐵)
80	79	ffnd 6687	. . . . 5 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝑇) → ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) Fn 𝐴)
81	80	adantrl 726	. . . 4 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) Fn 𝐴)
82		cocan2 7271	. . . 4 ⊢ ((𝐹:𝐶–onto→𝐴 ∧ 𝑓 Fn 𝐴 ∧ ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) Fn 𝐴) → ((𝑓 ∘ 𝐹) = (((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) ∘ 𝐹) ↔ 𝑓 = ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹)))
83	71, 74, 81, 82	syl3anc 1389	. . 3 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → ((𝑓 ∘ 𝐹) = (((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) ∘ 𝐹) ↔ 𝑓 = ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹)))
84	2, 39	syl 17	. . . . . 6 ⊢ (𝜑 → ◡𝐺:𝐷–1-1-onto→𝐵)
85	84	adantr 484	. . . . 5 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → ◡𝐺:𝐷–1-1-onto→𝐵)
86		f1of1 6800	. . . . 5 ⊢ (◡𝐺:𝐷–1-1-onto→𝐵 → ◡𝐺:𝐷–1-1→𝐵)
87	85, 86	syl 17	. . . 4 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → ◡𝐺:𝐷–1-1→𝐵)
88	48	adantrl 726	. . . 4 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → 𝑔:𝐶⟶𝐷)
89	18	adantrr 727	. . . 4 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → (𝐺 ∘ (𝑓 ∘ 𝐹)):𝐶⟶𝐷)
90		cocan1 7270	. . . 4 ⊢ ((◡𝐺:𝐷–1-1→𝐵 ∧ 𝑔:𝐶⟶𝐷 ∧ (𝐺 ∘ (𝑓 ∘ 𝐹)):𝐶⟶𝐷) → ((◡𝐺 ∘ 𝑔) = (◡𝐺 ∘ (𝐺 ∘ (𝑓 ∘ 𝐹))) ↔ 𝑔 = (𝐺 ∘ (𝑓 ∘ 𝐹))))
91	87, 88, 89, 90	syl3anc 1389	. . 3 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → ((◡𝐺 ∘ 𝑔) = (◡𝐺 ∘ (𝐺 ∘ (𝑓 ∘ 𝐹))) ↔ 𝑔 = (𝐺 ∘ (𝑓 ∘ 𝐹))))
92	69, 83, 91	3bitr3d 311	. 2 ⊢ ((𝜑 ∧ (𝑓 ∈ 𝑆 ∧ 𝑔 ∈ 𝑇)) → (𝑓 = ((◡𝐺 ∘ 𝑔) ∘ ◡𝐹) ↔ 𝑔 = (𝐺 ∘ (𝑓 ∘ 𝐹))))
93	1, 32, 33, 92	f1o2d 7645	1 ⊢ (𝜑 → (𝑓 ∈ 𝑆 ↦ (𝐺 ∘ (𝑓 ∘ 𝐹))):𝑆–1-1-onto→𝑇)

Syntax hints:   → wi 4   ↔ wb 208   ∧ wa 399   = wceq 1559   ∈ wcel 2141  {crab 3413   class class class wbr 5097   ↦ cmpt 5178   I cid 5537  ^◡ccnv 5642   ↾ cres 5645   ∘ ccom 5647   Fn wfn 6511  ⟶wf 6512  –1-1→wf1 6513  –onto→wfo 6514  –1-1-onto→wf1o 6515  ‘cfv 6516  (class class class)co 7391   ↑_m cmap 8802   finSupp cfsupp 9301

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1814  ax-4 1828  ax-5 1929  ax-6 1986  ax-7 2027  ax-8 2143  ax-9 2151  ax-10 2174  ax-11 2190  ax-12 2211  ax-ext 2733  ax-rep 5224  ax-sep 5243  ax-nul 5253  ax-pow 5319  ax-pr 5387  ax-un 7713

This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3or 1098  df-3an 1099  df-tru 1562  df-fal 1572  df-ex 1799  df-nf 1803  df-sb 2090  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-ral 3076  df-rex 3086  df-reu 3367  df-rab 3414  df-v 3455  df-sbc 3743  df-csb 3851  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-pss 3922  df-nul 4284  df-if 4478  df-pw 4554  df-sn 4580  df-pr 4582  df-op 4586  df-uni 4863  df-iun 4948  df-br 5098  df-opab 5160  df-mpt 5179  df-tr 5205  df-id 5538  df-eprel 5543  df-po 5551  df-so 5552  df-fr 5596  df-we 5598  df-xp 5649  df-rel 5650  df-cnv 5651  df-co 5652  df-dm 5653  df-rn 5654  df-res 5655  df-ima 5656  df-ord 6344  df-on 6345  df-lim 6346  df-suc 6347  df-iota 6472  df-fun 6518  df-fn 6519  df-f 6520  df-f1 6521  df-fo 6522  df-f1o 6523  df-fv 6524  df-ov 7394  df-oprab 7395  df-mpo 7396  df-om 7842  df-1st 7965  df-2nd 7966  df-supp 8135  df-1o 8431  df-map 8804  df-en 8922  df-dom 8923  df-fin 8925  df-fsupp 9302

This theorem is referenced by:  mapfien2  9349  wemapwe  9646  oef1o  9647  fcobijfs  32884  fcobijfs2  32885