Theorem dfrcl2 44255

Description: Reflexive closure of a relation as union with restricted identity relation. (Contributed by RP, 6-Jun-2020.)

Assertion

Ref	Expression
dfrcl2	⊢ r* = (𝑥 ∈ V ↦ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))

Proof of Theorem dfrcl2

Dummy variable 𝑧 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		df-rcl 44254	. 2 ⊢ r* = (𝑥 ∈ V ↦ ∩ {𝑧 ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)})
2		rabab 3486	. . . . . . . 8 ⊢ {𝑧 ∈ V ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)} = {𝑧 ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)}
3	2	eqcomi 2773	. . . . . . 7 ⊢ {𝑧 ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)} = {𝑧 ∈ V ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)}
4	3	inteqi 4911	. . . . . 6 ⊢ ∩ {𝑧 ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)} = ∩ {𝑧 ∈ V ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)}
5	4	a1i 11	. . . . 5 ⊢ (𝑥 ∈ V → ∩ {𝑧 ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)} = ∩ {𝑧 ∈ V ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)})
6		vex 3460	. . . . . . . . . . 11 ⊢ 𝑥 ∈ V
7	6	dmex 7892	. . . . . . . . . 10 ⊢ dom 𝑥 ∈ V
8	6	rnex 7893	. . . . . . . . . 10 ⊢ ran 𝑥 ∈ V
9	7, 8	unex 7729	. . . . . . . . 9 ⊢ (dom 𝑥 ∪ ran 𝑥) ∈ V
10		resiexg 7895	. . . . . . . . 9 ⊢ ((dom 𝑥 ∪ ran 𝑥) ∈ V → ( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∈ V)
11	9, 10	ax-mp 5	. . . . . . . 8 ⊢ ( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∈ V
12	11, 6	unex 7729	. . . . . . 7 ⊢ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∈ V
13	12	a1i 11	. . . . . 6 ⊢ (𝑥 ∈ V → (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∈ V)
14		ssun2 4133	. . . . . . 7 ⊢ 𝑥 ⊆ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥)
15		dmun 5888	. . . . . . . . . . . 12 ⊢ dom (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) = (dom ( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ dom 𝑥)
16		dmresi 6043	. . . . . . . . . . . . 13 ⊢ dom ( I ↾ (dom 𝑥 ∪ ran 𝑥)) = (dom 𝑥 ∪ ran 𝑥)
17	16	uneq1i 4119	. . . . . . . . . . . 12 ⊢ (dom ( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ dom 𝑥) = ((dom 𝑥 ∪ ran 𝑥) ∪ dom 𝑥)
18		un23 4128	. . . . . . . . . . . . 13 ⊢ ((dom 𝑥 ∪ ran 𝑥) ∪ dom 𝑥) = ((dom 𝑥 ∪ dom 𝑥) ∪ ran 𝑥)
19		unidm 4112	. . . . . . . . . . . . . 14 ⊢ (dom 𝑥 ∪ dom 𝑥) = dom 𝑥
20	19	uneq1i 4119	. . . . . . . . . . . . 13 ⊢ ((dom 𝑥 ∪ dom 𝑥) ∪ ran 𝑥) = (dom 𝑥 ∪ ran 𝑥)
21	18, 20	eqtri 2787	. . . . . . . . . . . 12 ⊢ ((dom 𝑥 ∪ ran 𝑥) ∪ dom 𝑥) = (dom 𝑥 ∪ ran 𝑥)
22	15, 17, 21	3eqtri 2791	. . . . . . . . . . 11 ⊢ dom (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) = (dom 𝑥 ∪ ran 𝑥)
23		rnun 6131	. . . . . . . . . . . 12 ⊢ ran (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) = (ran ( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ ran 𝑥)
24		rnresi 6066	. . . . . . . . . . . . 13 ⊢ ran ( I ↾ (dom 𝑥 ∪ ran 𝑥)) = (dom 𝑥 ∪ ran 𝑥)
25	24	uneq1i 4119	. . . . . . . . . . . 12 ⊢ (ran ( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ ran 𝑥) = ((dom 𝑥 ∪ ran 𝑥) ∪ ran 𝑥)
26		unass 4126	. . . . . . . . . . . . 13 ⊢ ((dom 𝑥 ∪ ran 𝑥) ∪ ran 𝑥) = (dom 𝑥 ∪ (ran 𝑥 ∪ ran 𝑥))
27		unidm 4112	. . . . . . . . . . . . . 14 ⊢ (ran 𝑥 ∪ ran 𝑥) = ran 𝑥
28	27	uneq2i 4120	. . . . . . . . . . . . 13 ⊢ (dom 𝑥 ∪ (ran 𝑥 ∪ ran 𝑥)) = (dom 𝑥 ∪ ran 𝑥)
29	26, 28	eqtri 2787	. . . . . . . . . . . 12 ⊢ ((dom 𝑥 ∪ ran 𝑥) ∪ ran 𝑥) = (dom 𝑥 ∪ ran 𝑥)
30	23, 25, 29	3eqtri 2791	. . . . . . . . . . 11 ⊢ ran (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) = (dom 𝑥 ∪ ran 𝑥)
31	22, 30	uneq12i 4121	. . . . . . . . . 10 ⊢ (dom (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∪ ran (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥)) = ((dom 𝑥 ∪ ran 𝑥) ∪ (dom 𝑥 ∪ ran 𝑥))
32		unidm 4112	. . . . . . . . . 10 ⊢ ((dom 𝑥 ∪ ran 𝑥) ∪ (dom 𝑥 ∪ ran 𝑥)) = (dom 𝑥 ∪ ran 𝑥)
33	31, 32	eqtri 2787	. . . . . . . . 9 ⊢ (dom (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∪ ran (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥)) = (dom 𝑥 ∪ ran 𝑥)
34	33	reseq2i 5964	. . . . . . . 8 ⊢ ( I ↾ (dom (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∪ ran (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))) = ( I ↾ (dom 𝑥 ∪ ran 𝑥))
35		ssun1 4132	. . . . . . . 8 ⊢ ( I ↾ (dom 𝑥 ∪ ran 𝑥)) ⊆ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥)
36	34, 35	eqsstri 3984	. . . . . . 7 ⊢ ( I ↾ (dom (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∪ ran (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))) ⊆ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥)
37	14, 36	pm3.2i 474	. . . . . 6 ⊢ (𝑥 ⊆ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∧ ( I ↾ (dom (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∪ ran (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))) ⊆ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))
38		dmeq 5881	. . . . . . . . . . 11 ⊢ (𝑧 = (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) → dom 𝑧 = dom (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))
39		rneq 5914	. . . . . . . . . . 11 ⊢ (𝑧 = (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) → ran 𝑧 = ran (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))
40	38, 39	uneq12d 4124	. . . . . . . . . 10 ⊢ (𝑧 = (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) → (dom 𝑧 ∪ ran 𝑧) = (dom (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∪ ran (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥)))
41	40	reseq2d 5967	. . . . . . . . 9 ⊢ (𝑧 = (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) → ( I ↾ (dom 𝑧 ∪ ran 𝑧)) = ( I ↾ (dom (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∪ ran (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))))
42		id 22	. . . . . . . . 9 ⊢ (𝑧 = (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) → 𝑧 = (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))
43	41, 42	sseq12d 3971	. . . . . . . 8 ⊢ (𝑧 = (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) → (( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧 ↔ ( I ↾ (dom (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∪ ran (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))) ⊆ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥)))
44	43	cleq2lem 44189	. . . . . . 7 ⊢ (𝑧 = (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) → ((𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧) ↔ (𝑥 ⊆ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∧ ( I ↾ (dom (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∪ ran (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))) ⊆ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))))
45	44	intminss 4934	. . . . . 6 ⊢ (((( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∈ V ∧ (𝑥 ⊆ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∧ ( I ↾ (dom (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ∪ ran (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))) ⊆ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))) → ∩ {𝑧 ∈ V ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)} ⊆ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))
46	13, 37, 45	sylancl 595	. . . . 5 ⊢ (𝑥 ∈ V → ∩ {𝑧 ∈ V ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)} ⊆ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))
47	5, 46	eqsstrd 3972	. . . 4 ⊢ (𝑥 ∈ V → ∩ {𝑧 ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)} ⊆ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))
48		dmss 5880	. . . . . . . . . . . . . . . 16 ⊢ (𝑥 ⊆ 𝑧 → dom 𝑥 ⊆ dom 𝑧)
49		rnss 5917	. . . . . . . . . . . . . . . 16 ⊢ (𝑥 ⊆ 𝑧 → ran 𝑥 ⊆ ran 𝑧)
50		unss12 4142	. . . . . . . . . . . . . . . 16 ⊢ ((dom 𝑥 ⊆ dom 𝑧 ∧ ran 𝑥 ⊆ ran 𝑧) → (dom 𝑥 ∪ ran 𝑥) ⊆ (dom 𝑧 ∪ ran 𝑧))
51	48, 49, 50	syl2anc 593	. . . . . . . . . . . . . . 15 ⊢ (𝑥 ⊆ 𝑧 → (dom 𝑥 ∪ ran 𝑥) ⊆ (dom 𝑧 ∪ ran 𝑧))
52		dfss 3925	. . . . . . . . . . . . . . 15 ⊢ ((dom 𝑥 ∪ ran 𝑥) ⊆ (dom 𝑧 ∪ ran 𝑧) ↔ (dom 𝑥 ∪ ran 𝑥) = ((dom 𝑥 ∪ ran 𝑥) ∩ (dom 𝑧 ∪ ran 𝑧)))
53	51, 52	sylib 220	. . . . . . . . . . . . . 14 ⊢ (𝑥 ⊆ 𝑧 → (dom 𝑥 ∪ ran 𝑥) = ((dom 𝑥 ∪ ran 𝑥) ∩ (dom 𝑧 ∪ ran 𝑧)))
54		incom 4163	. . . . . . . . . . . . . 14 ⊢ ((dom 𝑥 ∪ ran 𝑥) ∩ (dom 𝑧 ∪ ran 𝑧)) = ((dom 𝑧 ∪ ran 𝑧) ∩ (dom 𝑥 ∪ ran 𝑥))
55	53, 54	eqtrdi 2815	. . . . . . . . . . . . 13 ⊢ (𝑥 ⊆ 𝑧 → (dom 𝑥 ∪ ran 𝑥) = ((dom 𝑧 ∪ ran 𝑧) ∩ (dom 𝑥 ∪ ran 𝑥)))
56	55	reseq2d 5967	. . . . . . . . . . . 12 ⊢ (𝑥 ⊆ 𝑧 → ( I ↾ (dom 𝑥 ∪ ran 𝑥)) = ( I ↾ ((dom 𝑧 ∪ ran 𝑧) ∩ (dom 𝑥 ∪ ran 𝑥))))
57		resres 5980	. . . . . . . . . . . 12 ⊢ (( I ↾ (dom 𝑧 ∪ ran 𝑧)) ↾ (dom 𝑥 ∪ ran 𝑥)) = ( I ↾ ((dom 𝑧 ∪ ran 𝑧) ∩ (dom 𝑥 ∪ ran 𝑥)))
58	56, 57	eqtr4di 2817	. . . . . . . . . . 11 ⊢ (𝑥 ⊆ 𝑧 → ( I ↾ (dom 𝑥 ∪ ran 𝑥)) = (( I ↾ (dom 𝑧 ∪ ran 𝑧)) ↾ (dom 𝑥 ∪ ran 𝑥)))
59		resss 5989	. . . . . . . . . . . 12 ⊢ (( I ↾ (dom 𝑧 ∪ ran 𝑧)) ↾ (dom 𝑥 ∪ ran 𝑥)) ⊆ ( I ↾ (dom 𝑧 ∪ ran 𝑧))
60	59	a1i 11	. . . . . . . . . . 11 ⊢ (𝑥 ⊆ 𝑧 → (( I ↾ (dom 𝑧 ∪ ran 𝑧)) ↾ (dom 𝑥 ∪ ran 𝑥)) ⊆ ( I ↾ (dom 𝑧 ∪ ran 𝑧)))
61	58, 60	eqsstrd 3972	. . . . . . . . . 10 ⊢ (𝑥 ⊆ 𝑧 → ( I ↾ (dom 𝑥 ∪ ran 𝑥)) ⊆ ( I ↾ (dom 𝑧 ∪ ran 𝑧)))
62	61	adantr 484	. . . . . . . . 9 ⊢ ((𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧) → ( I ↾ (dom 𝑥 ∪ ran 𝑥)) ⊆ ( I ↾ (dom 𝑧 ∪ ran 𝑧)))
63		simpr 488	. . . . . . . . 9 ⊢ ((𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧) → ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)
64	62, 63	sstrd 3948	. . . . . . . 8 ⊢ ((𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧) → ( I ↾ (dom 𝑥 ∪ ran 𝑥)) ⊆ 𝑧)
65		simpl 486	. . . . . . . 8 ⊢ ((𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧) → 𝑥 ⊆ 𝑧)
66	64, 65	unssd 4146	. . . . . . 7 ⊢ ((𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧) → (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ⊆ 𝑧)
67	66	ax-gen 1817	. . . . . 6 ⊢ ∀𝑧((𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧) → (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ⊆ 𝑧)
68	67	a1i 11	. . . . 5 ⊢ (𝑥 ∈ V → ∀𝑧((𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧) → (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ⊆ 𝑧))
69		ssintab 4925	. . . . 5 ⊢ ((( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ⊆ ∩ {𝑧 ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)} ↔ ∀𝑧((𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧) → (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ⊆ 𝑧))
70	68, 69	sylibr 236	. . . 4 ⊢ (𝑥 ∈ V → (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥) ⊆ ∩ {𝑧 ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)})
71	47, 70	eqssd 3955	. . 3 ⊢ (𝑥 ∈ V → ∩ {𝑧 ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)} = (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))
72	71	mpteq2ia 5197	. 2 ⊢ (𝑥 ∈ V ↦ ∩ {𝑧 ∣ (𝑥 ⊆ 𝑧 ∧ ( I ↾ (dom 𝑧 ∪ ran 𝑧)) ⊆ 𝑧)}) = (𝑥 ∈ V ↦ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))
73	1, 72	eqtri 2787	1 ⊢ r* = (𝑥 ∈ V ↦ (( I ↾ (dom 𝑥 ∪ ran 𝑥)) ∪ 𝑥))

Syntax hints:   → wi 4   ∧ wa 399  ∀wal 1560   = wceq 1562   ∈ wcel 2144  {cab 2742  {crab 3416  Vcvv 3456   ∪ cun 3904   ∩ cin 3905   ⊆ wss 3906  ∩ cint 4907   ↦ cmpt 5183   I cid 5543  dom cdm 5649  ran crn 5650   ↾ cres 5651  r*crcl 44253

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1817  ax-4 1831  ax-5 1932  ax-6 1989  ax-7 2030  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2214  ax-ext 2736  ax-sep 5248  ax-pow 5324  ax-pr 5392  ax-un 7720

This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3an 1101  df-tru 1565  df-fal 1575  df-ex 1802  df-nf 1806  df-sb 2093  df-clab 2743  df-cleq 2756  df-clel 2839  df-ral 3079  df-rex 3089  df-rab 3417  df-v 3458  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-nul 4288  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-int 4908  df-br 5103  df-opab 5165  df-mpt 5184  df-id 5544  df-xp 5655  df-rel 5656  df-cnv 5657  df-dm 5659  df-rn 5660  df-res 5661  df-ima 5662  df-rcl 44254

This theorem is referenced by:  dfrcl3  44256