Theorem ralxpmap 8834

Description: Quantification over functions in terms of quantification over values and punctured functions. (Contributed by Stefan O'Rear, 27-Feb-2015.) (Revised by Stefan O'Rear, 5-May-2015.)

Hypothesis

Ref	Expression
ralxpmap.j	⊢ (𝑓 = (𝑔 ∪ {⟨𝐽, 𝑦⟩}) → (𝜑 ↔ 𝜓))

Assertion

Ref	Expression
ralxpmap	⊢ (𝐽 ∈ 𝑇 → (∀𝑓 ∈ (𝑆 ↑m 𝑇)𝜑 ↔ ∀𝑦 ∈ 𝑆 ∀𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽}))𝜓))

Distinct variable groups:   𝜑,𝑔,𝑦   𝜓,𝑓   𝑓,𝐽,𝑔,𝑦   𝑆,𝑓,𝑔,𝑦   𝑇,𝑓,𝑔,𝑦

Allowed substitution hints:   𝜑(𝑓)   𝜓(𝑦,𝑔)

Proof of Theorem ralxpmap

Step	Hyp	Ref	Expression
1		vex 3449	. . 3 ⊢ 𝑔 ∈ V
2		snex 5388	. . 3 ⊢ {⟨𝐽, 𝑦⟩} ∈ V
3	1, 2	unex 7680	. 2 ⊢ (𝑔 ∪ {⟨𝐽, 𝑦⟩}) ∈ V
4		simpr 485	. . . . . . 7 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 ∈ (𝑆 ↑m 𝑇)) → 𝑓 ∈ (𝑆 ↑m 𝑇))
5		elmapex 8786	. . . . . . . . 9 ⊢ (𝑓 ∈ (𝑆 ↑m 𝑇) → (𝑆 ∈ V ∧ 𝑇 ∈ V))
6	5	adantl 482	. . . . . . . 8 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 ∈ (𝑆 ↑m 𝑇)) → (𝑆 ∈ V ∧ 𝑇 ∈ V))
7		elmapg 8778	. . . . . . . 8 ⊢ ((𝑆 ∈ V ∧ 𝑇 ∈ V) → (𝑓 ∈ (𝑆 ↑m 𝑇) ↔ 𝑓:𝑇⟶𝑆))
8	6, 7	syl 17	. . . . . . 7 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 ∈ (𝑆 ↑m 𝑇)) → (𝑓 ∈ (𝑆 ↑m 𝑇) ↔ 𝑓:𝑇⟶𝑆))
9	4, 8	mpbid 231	. . . . . 6 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 ∈ (𝑆 ↑m 𝑇)) → 𝑓:𝑇⟶𝑆)
10		simpl 483	. . . . . 6 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 ∈ (𝑆 ↑m 𝑇)) → 𝐽 ∈ 𝑇)
11	9, 10	ffvelcdmd 7036	. . . . 5 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 ∈ (𝑆 ↑m 𝑇)) → (𝑓‘𝐽) ∈ 𝑆)
12		difss 4091	. . . . . . 7 ⊢ (𝑇 ∖ {𝐽}) ⊆ 𝑇
13		fssres 6708	. . . . . . 7 ⊢ ((𝑓:𝑇⟶𝑆 ∧ (𝑇 ∖ {𝐽}) ⊆ 𝑇) → (𝑓 ↾ (𝑇 ∖ {𝐽})):(𝑇 ∖ {𝐽})⟶𝑆)
14	9, 12, 13	sylancl 586	. . . . . 6 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 ∈ (𝑆 ↑m 𝑇)) → (𝑓 ↾ (𝑇 ∖ {𝐽})):(𝑇 ∖ {𝐽})⟶𝑆)
15	5	simpld 495	. . . . . . . 8 ⊢ (𝑓 ∈ (𝑆 ↑m 𝑇) → 𝑆 ∈ V)
16	15	adantl 482	. . . . . . 7 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 ∈ (𝑆 ↑m 𝑇)) → 𝑆 ∈ V)
17	6	simprd 496	. . . . . . . 8 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 ∈ (𝑆 ↑m 𝑇)) → 𝑇 ∈ V)
18	17	difexd 5286	. . . . . . 7 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 ∈ (𝑆 ↑m 𝑇)) → (𝑇 ∖ {𝐽}) ∈ V)
19	16, 18	elmapd 8779	. . . . . 6 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 ∈ (𝑆 ↑m 𝑇)) → ((𝑓 ↾ (𝑇 ∖ {𝐽})) ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})) ↔ (𝑓 ↾ (𝑇 ∖ {𝐽})):(𝑇 ∖ {𝐽})⟶𝑆))
20	14, 19	mpbird 256	. . . . 5 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 ∈ (𝑆 ↑m 𝑇)) → (𝑓 ↾ (𝑇 ∖ {𝐽})) ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))
21	9	ffnd 6669	. . . . . 6 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 ∈ (𝑆 ↑m 𝑇)) → 𝑓 Fn 𝑇)
22		fnsnsplit 7130	. . . . . 6 ⊢ ((𝑓 Fn 𝑇 ∧ 𝐽 ∈ 𝑇) → 𝑓 = ((𝑓 ↾ (𝑇 ∖ {𝐽})) ∪ {⟨𝐽, (𝑓‘𝐽)⟩}))
23	21, 10, 22	syl2anc 584	. . . . 5 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 ∈ (𝑆 ↑m 𝑇)) → 𝑓 = ((𝑓 ↾ (𝑇 ∖ {𝐽})) ∪ {⟨𝐽, (𝑓‘𝐽)⟩}))
24		opeq2 4831	. . . . . . . . 9 ⊢ (𝑦 = (𝑓‘𝐽) → ⟨𝐽, 𝑦⟩ = ⟨𝐽, (𝑓‘𝐽)⟩)
25	24	sneqd 4598	. . . . . . . 8 ⊢ (𝑦 = (𝑓‘𝐽) → {⟨𝐽, 𝑦⟩} = {⟨𝐽, (𝑓‘𝐽)⟩})
26	25	uneq2d 4123	. . . . . . 7 ⊢ (𝑦 = (𝑓‘𝐽) → (𝑔 ∪ {⟨𝐽, 𝑦⟩}) = (𝑔 ∪ {⟨𝐽, (𝑓‘𝐽)⟩}))
27	26	eqeq2d 2747	. . . . . 6 ⊢ (𝑦 = (𝑓‘𝐽) → (𝑓 = (𝑔 ∪ {⟨𝐽, 𝑦⟩}) ↔ 𝑓 = (𝑔 ∪ {⟨𝐽, (𝑓‘𝐽)⟩})))
28		uneq1 4116	. . . . . . 7 ⊢ (𝑔 = (𝑓 ↾ (𝑇 ∖ {𝐽})) → (𝑔 ∪ {⟨𝐽, (𝑓‘𝐽)⟩}) = ((𝑓 ↾ (𝑇 ∖ {𝐽})) ∪ {⟨𝐽, (𝑓‘𝐽)⟩}))
29	28	eqeq2d 2747	. . . . . 6 ⊢ (𝑔 = (𝑓 ↾ (𝑇 ∖ {𝐽})) → (𝑓 = (𝑔 ∪ {⟨𝐽, (𝑓‘𝐽)⟩}) ↔ 𝑓 = ((𝑓 ↾ (𝑇 ∖ {𝐽})) ∪ {⟨𝐽, (𝑓‘𝐽)⟩})))
30	27, 29	rspc2ev 3592	. . . . 5 ⊢ (((𝑓‘𝐽) ∈ 𝑆 ∧ (𝑓 ↾ (𝑇 ∖ {𝐽})) ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})) ∧ 𝑓 = ((𝑓 ↾ (𝑇 ∖ {𝐽})) ∪ {⟨𝐽, (𝑓‘𝐽)⟩})) → ∃𝑦 ∈ 𝑆 ∃𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽}))𝑓 = (𝑔 ∪ {⟨𝐽, 𝑦⟩}))
31	11, 20, 23, 30	syl3anc 1371	. . . 4 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 ∈ (𝑆 ↑m 𝑇)) → ∃𝑦 ∈ 𝑆 ∃𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽}))𝑓 = (𝑔 ∪ {⟨𝐽, 𝑦⟩}))
32	31	ex 413	. . 3 ⊢ (𝐽 ∈ 𝑇 → (𝑓 ∈ (𝑆 ↑m 𝑇) → ∃𝑦 ∈ 𝑆 ∃𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽}))𝑓 = (𝑔 ∪ {⟨𝐽, 𝑦⟩})))
33		elmapi 8787	. . . . . . . . . 10 ⊢ (𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})) → 𝑔:(𝑇 ∖ {𝐽})⟶𝑆)
34	33	ad2antll 727	. . . . . . . . 9 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → 𝑔:(𝑇 ∖ {𝐽})⟶𝑆)
35		f1osng 6825	. . . . . . . . . . . 12 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑦 ∈ V) → {⟨𝐽, 𝑦⟩}:{𝐽}–1-1-onto→{𝑦})
36		f1of 6784	. . . . . . . . . . . 12 ⊢ ({⟨𝐽, 𝑦⟩}:{𝐽}–1-1-onto→{𝑦} → {⟨𝐽, 𝑦⟩}:{𝐽}⟶{𝑦})
37	35, 36	syl 17	. . . . . . . . . . 11 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑦 ∈ V) → {⟨𝐽, 𝑦⟩}:{𝐽}⟶{𝑦})
38	37	elvd 3452	. . . . . . . . . 10 ⊢ (𝐽 ∈ 𝑇 → {⟨𝐽, 𝑦⟩}:{𝐽}⟶{𝑦})
39	38	adantr 481	. . . . . . . . 9 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → {⟨𝐽, 𝑦⟩}:{𝐽}⟶{𝑦})
40		disjdifr 4432	. . . . . . . . . 10 ⊢ ((𝑇 ∖ {𝐽}) ∩ {𝐽}) = ∅
41	40	a1i 11	. . . . . . . . 9 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → ((𝑇 ∖ {𝐽}) ∩ {𝐽}) = ∅)
42		fun 6704	. . . . . . . . 9 ⊢ (((𝑔:(𝑇 ∖ {𝐽})⟶𝑆 ∧ {⟨𝐽, 𝑦⟩}:{𝐽}⟶{𝑦}) ∧ ((𝑇 ∖ {𝐽}) ∩ {𝐽}) = ∅) → (𝑔 ∪ {⟨𝐽, 𝑦⟩}):((𝑇 ∖ {𝐽}) ∪ {𝐽})⟶(𝑆 ∪ {𝑦}))
43	34, 39, 41, 42	syl21anc 836	. . . . . . . 8 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → (𝑔 ∪ {⟨𝐽, 𝑦⟩}):((𝑇 ∖ {𝐽}) ∪ {𝐽})⟶(𝑆 ∪ {𝑦}))
44		uncom 4113	. . . . . . . . . 10 ⊢ ((𝑇 ∖ {𝐽}) ∪ {𝐽}) = ({𝐽} ∪ (𝑇 ∖ {𝐽}))
45		simpl 483	. . . . . . . . . . . 12 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → 𝐽 ∈ 𝑇)
46	45	snssd 4769	. . . . . . . . . . 11 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → {𝐽} ⊆ 𝑇)
47		undif 4441	. . . . . . . . . . 11 ⊢ ({𝐽} ⊆ 𝑇 ↔ ({𝐽} ∪ (𝑇 ∖ {𝐽})) = 𝑇)
48	46, 47	sylib 217	. . . . . . . . . 10 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → ({𝐽} ∪ (𝑇 ∖ {𝐽})) = 𝑇)
49	44, 48	eqtrid 2788	. . . . . . . . 9 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → ((𝑇 ∖ {𝐽}) ∪ {𝐽}) = 𝑇)
50	49	feq2d 6654	. . . . . . . 8 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → ((𝑔 ∪ {⟨𝐽, 𝑦⟩}):((𝑇 ∖ {𝐽}) ∪ {𝐽})⟶(𝑆 ∪ {𝑦}) ↔ (𝑔 ∪ {⟨𝐽, 𝑦⟩}):𝑇⟶(𝑆 ∪ {𝑦})))
51	43, 50	mpbid 231	. . . . . . 7 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → (𝑔 ∪ {⟨𝐽, 𝑦⟩}):𝑇⟶(𝑆 ∪ {𝑦}))
52		ssidd 3967	. . . . . . . 8 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → 𝑆 ⊆ 𝑆)
53		snssi 4768	. . . . . . . . 9 ⊢ (𝑦 ∈ 𝑆 → {𝑦} ⊆ 𝑆)
54	53	ad2antrl 726	. . . . . . . 8 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → {𝑦} ⊆ 𝑆)
55	52, 54	unssd 4146	. . . . . . 7 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → (𝑆 ∪ {𝑦}) ⊆ 𝑆)
56	51, 55	fssd 6686	. . . . . 6 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → (𝑔 ∪ {⟨𝐽, 𝑦⟩}):𝑇⟶𝑆)
57		elmapex 8786	. . . . . . . . 9 ⊢ (𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})) → (𝑆 ∈ V ∧ (𝑇 ∖ {𝐽}) ∈ V))
58	57	ad2antll 727	. . . . . . . 8 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → (𝑆 ∈ V ∧ (𝑇 ∖ {𝐽}) ∈ V))
59	58	simpld 495	. . . . . . 7 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → 𝑆 ∈ V)
60		ssun1 4132	. . . . . . . 8 ⊢ 𝑇 ⊆ (𝑇 ∪ {𝐽})
61		undif1 4435	. . . . . . . . 9 ⊢ ((𝑇 ∖ {𝐽}) ∪ {𝐽}) = (𝑇 ∪ {𝐽})
62	58	simprd 496	. . . . . . . . . 10 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → (𝑇 ∖ {𝐽}) ∈ V)
63		snex 5388	. . . . . . . . . 10 ⊢ {𝐽} ∈ V
64		unexg 7683	. . . . . . . . . 10 ⊢ (((𝑇 ∖ {𝐽}) ∈ V ∧ {𝐽} ∈ V) → ((𝑇 ∖ {𝐽}) ∪ {𝐽}) ∈ V)
65	62, 63, 64	sylancl 586	. . . . . . . . 9 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → ((𝑇 ∖ {𝐽}) ∪ {𝐽}) ∈ V)
66	61, 65	eqeltrrid 2843	. . . . . . . 8 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → (𝑇 ∪ {𝐽}) ∈ V)
67		ssexg 5280	. . . . . . . 8 ⊢ ((𝑇 ⊆ (𝑇 ∪ {𝐽}) ∧ (𝑇 ∪ {𝐽}) ∈ V) → 𝑇 ∈ V)
68	60, 66, 67	sylancr 587	. . . . . . 7 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → 𝑇 ∈ V)
69	59, 68	elmapd 8779	. . . . . 6 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → ((𝑔 ∪ {⟨𝐽, 𝑦⟩}) ∈ (𝑆 ↑m 𝑇) ↔ (𝑔 ∪ {⟨𝐽, 𝑦⟩}):𝑇⟶𝑆))
70	56, 69	mpbird 256	. . . . 5 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → (𝑔 ∪ {⟨𝐽, 𝑦⟩}) ∈ (𝑆 ↑m 𝑇))
71		eleq1 2825	. . . . 5 ⊢ (𝑓 = (𝑔 ∪ {⟨𝐽, 𝑦⟩}) → (𝑓 ∈ (𝑆 ↑m 𝑇) ↔ (𝑔 ∪ {⟨𝐽, 𝑦⟩}) ∈ (𝑆 ↑m 𝑇)))
72	70, 71	syl5ibrcom 246	. . . 4 ⊢ ((𝐽 ∈ 𝑇 ∧ (𝑦 ∈ 𝑆 ∧ 𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽})))) → (𝑓 = (𝑔 ∪ {⟨𝐽, 𝑦⟩}) → 𝑓 ∈ (𝑆 ↑m 𝑇)))
73	72	rexlimdvva 3205	. . 3 ⊢ (𝐽 ∈ 𝑇 → (∃𝑦 ∈ 𝑆 ∃𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽}))𝑓 = (𝑔 ∪ {⟨𝐽, 𝑦⟩}) → 𝑓 ∈ (𝑆 ↑m 𝑇)))
74	32, 73	impbid 211	. 2 ⊢ (𝐽 ∈ 𝑇 → (𝑓 ∈ (𝑆 ↑m 𝑇) ↔ ∃𝑦 ∈ 𝑆 ∃𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽}))𝑓 = (𝑔 ∪ {⟨𝐽, 𝑦⟩})))
75		ralxpmap.j	. . 3 ⊢ (𝑓 = (𝑔 ∪ {⟨𝐽, 𝑦⟩}) → (𝜑 ↔ 𝜓))
76	75	adantl 482	. 2 ⊢ ((𝐽 ∈ 𝑇 ∧ 𝑓 = (𝑔 ∪ {⟨𝐽, 𝑦⟩})) → (𝜑 ↔ 𝜓))
77	3, 74, 76	ralxpxfr2d 3596	1 ⊢ (𝐽 ∈ 𝑇 → (∀𝑓 ∈ (𝑆 ↑m 𝑇)𝜑 ↔ ∀𝑦 ∈ 𝑆 ∀𝑔 ∈ (𝑆 ↑m (𝑇 ∖ {𝐽}))𝜓))

Syntax hints:   → wi 4   ↔ wb 205   ∧ wa 396   = wceq 1541   ∈ wcel 2106  ∀wral 3064  ∃wrex 3073  Vcvv 3445   ∖ cdif 3907   ∪ cun 3908   ∩ cin 3909   ⊆ wss 3910  ∅c0 4282  {csn 4586  ⟨cop 4592   ↾ cres 5635   Fn wfn 6491  ⟶wf 6492  –1-1-onto→wf1o 6495  ‘cfv 6496  (class class class)co 7357   ↑_m cmap 8765

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 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2707  ax-sep 5256  ax-nul 5263  ax-pow 5320  ax-pr 5384  ax-un 7672

This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-nf 1786  df-sb 2068  df-mo 2538  df-eu 2567  df-clab 2714  df-cleq 2728  df-clel 2814  df-nfc 2889  df-ne 2944  df-ral 3065  df-rex 3074  df-reu 3354  df-rab 3408  df-v 3447  df-sbc 3740  df-csb 3856  df-dif 3913  df-un 3915  df-in 3917  df-ss 3927  df-nul 4283  df-if 4487  df-pw 4562  df-sn 4587  df-pr 4589  df-op 4593  df-uni 4866  df-iun 4956  df-br 5106  df-opab 5168  df-mpt 5189  df-id 5531  df-xp 5639  df-rel 5640  df-cnv 5641  df-co 5642  df-dm 5643  df-rn 5644  df-res 5645  df-ima 5646  df-iota 6448  df-fun 6498  df-fn 6499  df-f 6500  df-f1 6501  df-fo 6502  df-f1o 6503  df-fv 6504  df-ov 7360  df-oprab 7361  df-mpo 7362  df-1st 7921  df-2nd 7922  df-map 8767

This theorem is referenced by:  islindf4  21244