Theorem tfrlemisucaccv 6411

Description: We can extend an acceptable function by one element to produce an acceptable function. Lemma for tfrlemi1 6418. (Contributed by Jim Kingdon, 4-Mar-2019.) (Proof shortened by Mario Carneiro, 24-May-2019.)

Hypotheses

Ref	Expression
tfrlemisucfn.1	⊢ 𝐴 = {𝑓 ∣ ∃𝑥 ∈ On (𝑓 Fn 𝑥 ∧ ∀𝑦 ∈ 𝑥 (𝑓‘𝑦) = (𝐹‘(𝑓 ↾ 𝑦)))}
tfrlemisucfn.2	⊢ (𝜑 → ∀𝑥(Fun 𝐹 ∧ (𝐹‘𝑥) ∈ V))
tfrlemisucfn.3	⊢ (𝜑 → 𝑧 ∈ On)
tfrlemisucfn.4	⊢ (𝜑 → 𝑔 Fn 𝑧)
tfrlemisucfn.5	⊢ (𝜑 → 𝑔 ∈ 𝐴)

Assertion

Ref	Expression
tfrlemisucaccv	⊢ (𝜑 → (𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ∈ 𝐴)

Distinct variable groups:   𝑓,𝑔,𝑥,𝑦,𝑧,𝐴   𝑓,𝐹,𝑔,𝑥,𝑦,𝑧   𝜑,𝑦

Allowed substitution hints:   𝜑(𝑥,𝑧,𝑓,𝑔)

Proof of Theorem tfrlemisucaccv

Dummy variables 𝑢 𝑣 𝑤 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		tfrlemisucfn.3	. . . 4 ⊢ (𝜑 → 𝑧 ∈ On)
2		onsuc 4549	. . . 4 ⊢ (𝑧 ∈ On → suc 𝑧 ∈ On)
3	1, 2	syl 14	. . 3 ⊢ (𝜑 → suc 𝑧 ∈ On)
4		tfrlemisucfn.1	. . . 4 ⊢ 𝐴 = {𝑓 ∣ ∃𝑥 ∈ On (𝑓 Fn 𝑥 ∧ ∀𝑦 ∈ 𝑥 (𝑓‘𝑦) = (𝐹‘(𝑓 ↾ 𝑦)))}
5		tfrlemisucfn.2	. . . 4 ⊢ (𝜑 → ∀𝑥(Fun 𝐹 ∧ (𝐹‘𝑥) ∈ V))
6		tfrlemisucfn.4	. . . 4 ⊢ (𝜑 → 𝑔 Fn 𝑧)
7		tfrlemisucfn.5	. . . 4 ⊢ (𝜑 → 𝑔 ∈ 𝐴)
8	4, 5, 1, 6, 7	tfrlemisucfn 6410	. . 3 ⊢ (𝜑 → (𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) Fn suc 𝑧)
9		vex 2775	. . . . . 6 ⊢ 𝑢 ∈ V
10	9	elsuc 4453	. . . . 5 ⊢ (𝑢 ∈ suc 𝑧 ↔ (𝑢 ∈ 𝑧 ∨ 𝑢 = 𝑧))
11		vex 2775	. . . . . . . . . . 11 ⊢ 𝑔 ∈ V
12	4, 11	tfrlem3a 6396	. . . . . . . . . 10 ⊢ (𝑔 ∈ 𝐴 ↔ ∃𝑣 ∈ On (𝑔 Fn 𝑣 ∧ ∀𝑢 ∈ 𝑣 (𝑔‘𝑢) = (𝐹‘(𝑔 ↾ 𝑢))))
13	7, 12	sylib 122	. . . . . . . . 9 ⊢ (𝜑 → ∃𝑣 ∈ On (𝑔 Fn 𝑣 ∧ ∀𝑢 ∈ 𝑣 (𝑔‘𝑢) = (𝐹‘(𝑔 ↾ 𝑢))))
14		simprrr 540	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑣 ∈ On ∧ (𝑔 Fn 𝑣 ∧ ∀𝑢 ∈ 𝑣 (𝑔‘𝑢) = (𝐹‘(𝑔 ↾ 𝑢))))) → ∀𝑢 ∈ 𝑣 (𝑔‘𝑢) = (𝐹‘(𝑔 ↾ 𝑢)))
15		simprrl 539	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑣 ∈ On ∧ (𝑔 Fn 𝑣 ∧ ∀𝑢 ∈ 𝑣 (𝑔‘𝑢) = (𝐹‘(𝑔 ↾ 𝑢))))) → 𝑔 Fn 𝑣)
16	6	adantr 276	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑣 ∈ On ∧ (𝑔 Fn 𝑣 ∧ ∀𝑢 ∈ 𝑣 (𝑔‘𝑢) = (𝐹‘(𝑔 ↾ 𝑢))))) → 𝑔 Fn 𝑧)
17		fndmu 5377	. . . . . . . . . . . 12 ⊢ ((𝑔 Fn 𝑣 ∧ 𝑔 Fn 𝑧) → 𝑣 = 𝑧)
18	15, 16, 17	syl2anc 411	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑣 ∈ On ∧ (𝑔 Fn 𝑣 ∧ ∀𝑢 ∈ 𝑣 (𝑔‘𝑢) = (𝐹‘(𝑔 ↾ 𝑢))))) → 𝑣 = 𝑧)
19	18	raleqdv 2708	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑣 ∈ On ∧ (𝑔 Fn 𝑣 ∧ ∀𝑢 ∈ 𝑣 (𝑔‘𝑢) = (𝐹‘(𝑔 ↾ 𝑢))))) → (∀𝑢 ∈ 𝑣 (𝑔‘𝑢) = (𝐹‘(𝑔 ↾ 𝑢)) ↔ ∀𝑢 ∈ 𝑧 (𝑔‘𝑢) = (𝐹‘(𝑔 ↾ 𝑢))))
20	14, 19	mpbid 147	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑣 ∈ On ∧ (𝑔 Fn 𝑣 ∧ ∀𝑢 ∈ 𝑣 (𝑔‘𝑢) = (𝐹‘(𝑔 ↾ 𝑢))))) → ∀𝑢 ∈ 𝑧 (𝑔‘𝑢) = (𝐹‘(𝑔 ↾ 𝑢)))
21	13, 20	rexlimddv 2628	. . . . . . . 8 ⊢ (𝜑 → ∀𝑢 ∈ 𝑧 (𝑔‘𝑢) = (𝐹‘(𝑔 ↾ 𝑢)))
22	21	r19.21bi 2594	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑧) → (𝑔‘𝑢) = (𝐹‘(𝑔 ↾ 𝑢)))
23		elirrv 4596	. . . . . . . . . . 11 ⊢ ¬ 𝑢 ∈ 𝑢
24		elequ2 2181	. . . . . . . . . . 11 ⊢ (𝑧 = 𝑢 → (𝑢 ∈ 𝑧 ↔ 𝑢 ∈ 𝑢))
25	23, 24	mtbiri 677	. . . . . . . . . 10 ⊢ (𝑧 = 𝑢 → ¬ 𝑢 ∈ 𝑧)
26	25	necon2ai 2430	. . . . . . . . 9 ⊢ (𝑢 ∈ 𝑧 → 𝑧 ≠ 𝑢)
27	26	adantl 277	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑧) → 𝑧 ≠ 𝑢)
28		fvunsng 5778	. . . . . . . 8 ⊢ ((𝑢 ∈ V ∧ 𝑧 ≠ 𝑢) → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝑔‘𝑢))
29	9, 27, 28	sylancr 414	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑧) → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝑔‘𝑢))
30		eloni 4422	. . . . . . . . . . . 12 ⊢ (𝑧 ∈ On → Ord 𝑧)
31	1, 30	syl 14	. . . . . . . . . . 11 ⊢ (𝜑 → Ord 𝑧)
32		ordelss 4426	. . . . . . . . . . 11 ⊢ ((Ord 𝑧 ∧ 𝑢 ∈ 𝑧) → 𝑢 ⊆ 𝑧)
33	31, 32	sylan 283	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑧) → 𝑢 ⊆ 𝑧)
34		resabs1 4988	. . . . . . . . . 10 ⊢ (𝑢 ⊆ 𝑧 → (((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑧) ↾ 𝑢) = ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢))
35	33, 34	syl 14	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑧) → (((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑧) ↾ 𝑢) = ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢))
36		elirrv 4596	. . . . . . . . . . . 12 ⊢ ¬ 𝑧 ∈ 𝑧
37		fsnunres 5786	. . . . . . . . . . . 12 ⊢ ((𝑔 Fn 𝑧 ∧ ¬ 𝑧 ∈ 𝑧) → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑧) = 𝑔)
38	6, 36, 37	sylancl 413	. . . . . . . . . . 11 ⊢ (𝜑 → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑧) = 𝑔)
39	38	reseq1d 4958	. . . . . . . . . 10 ⊢ (𝜑 → (((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑧) ↾ 𝑢) = (𝑔 ↾ 𝑢))
40	39	adantr 276	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑧) → (((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑧) ↾ 𝑢) = (𝑔 ↾ 𝑢))
41	35, 40	eqtr3d 2240	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑧) → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢) = (𝑔 ↾ 𝑢))
42	41	fveq2d 5580	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑧) → (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢)) = (𝐹‘(𝑔 ↾ 𝑢)))
43	22, 29, 42	3eqtr4d 2248	. . . . . 6 ⊢ ((𝜑 ∧ 𝑢 ∈ 𝑧) → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢)))
44	5	tfrlem3-2d 6398	. . . . . . . . . 10 ⊢ (𝜑 → (Fun 𝐹 ∧ (𝐹‘𝑔) ∈ V))
45	44	simprd 114	. . . . . . . . 9 ⊢ (𝜑 → (𝐹‘𝑔) ∈ V)
46		fndm 5373	. . . . . . . . . . . 12 ⊢ (𝑔 Fn 𝑧 → dom 𝑔 = 𝑧)
47	6, 46	syl 14	. . . . . . . . . . 11 ⊢ (𝜑 → dom 𝑔 = 𝑧)
48	47	eleq2d 2275	. . . . . . . . . 10 ⊢ (𝜑 → (𝑧 ∈ dom 𝑔 ↔ 𝑧 ∈ 𝑧))
49	36, 48	mtbiri 677	. . . . . . . . 9 ⊢ (𝜑 → ¬ 𝑧 ∈ dom 𝑔)
50		fsnunfv 5785	. . . . . . . . 9 ⊢ ((𝑧 ∈ On ∧ (𝐹‘𝑔) ∈ V ∧ ¬ 𝑧 ∈ dom 𝑔) → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑧) = (𝐹‘𝑔))
51	1, 45, 49, 50	syl3anc 1250	. . . . . . . 8 ⊢ (𝜑 → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑧) = (𝐹‘𝑔))
52	51	adantr 276	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑢 = 𝑧) → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑧) = (𝐹‘𝑔))
53		simpr 110	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑢 = 𝑧) → 𝑢 = 𝑧)
54	53	fveq2d 5580	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑢 = 𝑧) → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑧))
55		reseq2 4954	. . . . . . . . 9 ⊢ (𝑢 = 𝑧 → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢) = ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑧))
56	55, 38	sylan9eqr 2260	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑢 = 𝑧) → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢) = 𝑔)
57	56	fveq2d 5580	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑢 = 𝑧) → (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢)) = (𝐹‘𝑔))
58	52, 54, 57	3eqtr4d 2248	. . . . . 6 ⊢ ((𝜑 ∧ 𝑢 = 𝑧) → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢)))
59	43, 58	jaodan 799	. . . . 5 ⊢ ((𝜑 ∧ (𝑢 ∈ 𝑧 ∨ 𝑢 = 𝑧)) → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢)))
60	10, 59	sylan2b 287	. . . 4 ⊢ ((𝜑 ∧ 𝑢 ∈ suc 𝑧) → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢)))
61	60	ralrimiva 2579	. . 3 ⊢ (𝜑 → ∀𝑢 ∈ suc 𝑧((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢)))
62		fneq2 5363	. . . . 5 ⊢ (𝑤 = suc 𝑧 → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) Fn 𝑤 ↔ (𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) Fn suc 𝑧))
63		raleq 2702	. . . . 5 ⊢ (𝑤 = suc 𝑧 → (∀𝑢 ∈ 𝑤 ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢)) ↔ ∀𝑢 ∈ suc 𝑧((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢))))
64	62, 63	anbi12d 473	. . . 4 ⊢ (𝑤 = suc 𝑧 → (((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) Fn 𝑤 ∧ ∀𝑢 ∈ 𝑤 ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢))) ↔ ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) Fn suc 𝑧 ∧ ∀𝑢 ∈ suc 𝑧((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢)))))
65	64	rspcev 2877	. . 3 ⊢ ((suc 𝑧 ∈ On ∧ ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) Fn suc 𝑧 ∧ ∀𝑢 ∈ suc 𝑧((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢)))) → ∃𝑤 ∈ On ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) Fn 𝑤 ∧ ∀𝑢 ∈ 𝑤 ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢))))
66	3, 8, 61, 65	syl12anc 1248	. 2 ⊢ (𝜑 → ∃𝑤 ∈ On ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) Fn 𝑤 ∧ ∀𝑢 ∈ 𝑤 ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢))))
67		vex 2775	. . . . . 6 ⊢ 𝑧 ∈ V
68		opexg 4272	. . . . . 6 ⊢ ((𝑧 ∈ V ∧ (𝐹‘𝑔) ∈ V) → ⟨𝑧, (𝐹‘𝑔)⟩ ∈ V)
69	67, 45, 68	sylancr 414	. . . . 5 ⊢ (𝜑 → ⟨𝑧, (𝐹‘𝑔)⟩ ∈ V)
70		snexg 4228	. . . . 5 ⊢ (⟨𝑧, (𝐹‘𝑔)⟩ ∈ V → {⟨𝑧, (𝐹‘𝑔)⟩} ∈ V)
71	69, 70	syl 14	. . . 4 ⊢ (𝜑 → {⟨𝑧, (𝐹‘𝑔)⟩} ∈ V)
72		unexg 4490	. . . 4 ⊢ ((𝑔 ∈ V ∧ {⟨𝑧, (𝐹‘𝑔)⟩} ∈ V) → (𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ∈ V)
73	11, 71, 72	sylancr 414	. . 3 ⊢ (𝜑 → (𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ∈ V)
74	4	tfrlem3ag 6395	. . 3 ⊢ ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ∈ V → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ∈ 𝐴 ↔ ∃𝑤 ∈ On ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) Fn 𝑤 ∧ ∀𝑢 ∈ 𝑤 ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢)))))
75	73, 74	syl 14	. 2 ⊢ (𝜑 → ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ∈ 𝐴 ↔ ∃𝑤 ∈ On ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) Fn 𝑤 ∧ ∀𝑢 ∈ 𝑤 ((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩})‘𝑢) = (𝐹‘((𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ↾ 𝑢)))))
76	66, 75	mpbird 167	1 ⊢ (𝜑 → (𝑔 ∪ {⟨𝑧, (𝐹‘𝑔)⟩}) ∈ 𝐴)

Syntax hints:  ¬ wn 3   → wi 4   ∧ wa 104   ↔ wb 105   ∨ wo 710  ∀wal 1371   = wceq 1373   ∈ wcel 2176  {cab 2191   ≠ wne 2376  ∀wral 2484  ∃wrex 2485  Vcvv 2772   ∪ cun 3164   ⊆ wss 3166  {csn 3633  ⟨cop 3636  Ord word 4409  Oncon0 4410  suc csuc 4412  dom cdm 4675   ↾ cres 4677  Fun wfun 5265   Fn wfn 5266  ‘cfv 5271

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 615  ax-in2 616  ax-io 711  ax-5 1470  ax-7 1471  ax-gen 1472  ax-ie1 1516  ax-ie2 1517  ax-8 1527  ax-10 1528  ax-11 1529  ax-i12 1530  ax-bndl 1532  ax-4 1533  ax-17 1549  ax-i9 1553  ax-ial 1557  ax-i5r 1558  ax-13 2178  ax-14 2179  ax-ext 2187  ax-sep 4162  ax-pow 4218  ax-pr 4253  ax-un 4480  ax-setind 4585

This theorem depends on definitions:  df-bi 117  df-3an 983  df-tru 1376  df-fal 1379  df-nf 1484  df-sb 1786  df-eu 2057  df-mo 2058  df-clab 2192  df-cleq 2198  df-clel 2201  df-nfc 2337  df-ne 2377  df-ral 2489  df-rex 2490  df-v 2774  df-sbc 2999  df-dif 3168  df-un 3170  df-in 3172  df-ss 3179  df-nul 3461  df-pw 3618  df-sn 3639  df-pr 3640  df-op 3642  df-uni 3851  df-br 4045  df-opab 4106  df-tr 4143  df-id 4340  df-iord 4413  df-on 4415  df-suc 4418  df-xp 4681  df-rel 4682  df-cnv 4683  df-co 4684  df-dm 4685  df-res 4687  df-iota 5232  df-fun 5273  df-fn 5274  df-fv 5279

This theorem is referenced by:  tfrlemibacc  6412  tfrlemi14d  6419