Theorem opsrtoslem2 19306

Description: Lemma for opsrtos 19307. (Contributed by Mario Carneiro, 8-Feb-2015.)

Hypotheses

Ref	Expression
opsrso.o	⊢ 𝑂 = ((𝐼 ordPwSer 𝑅)‘𝑇)
opsrso.i	⊢ (𝜑 → 𝐼 ∈ 𝑉)
opsrso.r	⊢ (𝜑 → 𝑅 ∈ Toset)
opsrso.t	⊢ (𝜑 → 𝑇 ⊆ (𝐼 × 𝐼))
opsrso.w	⊢ (𝜑 → 𝑇 We 𝐼)
opsrtoslem.s	⊢ 𝑆 = (𝐼 mPwSer 𝑅)
opsrtoslem.b	⊢ 𝐵 = (Base‘𝑆)
opsrtoslem.q	⊢ < = (lt‘𝑅)
opsrtoslem.c	⊢ 𝐶 = (𝑇 <bag 𝐼)
opsrtoslem.d	⊢ 𝐷 = {ℎ ∈ (ℕ0 ↑𝑚 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin}
opsrtoslem.ps	⊢ (𝜓 ↔ ∃𝑧 ∈ 𝐷 ((𝑥‘𝑧) < (𝑦‘𝑧) ∧ ∀𝑤 ∈ 𝐷 (𝑤𝐶𝑧 → (𝑥‘𝑤) = (𝑦‘𝑤))))
opsrtoslem.l	⊢ ≤ = (le‘𝑂)

Assertion

Ref	Expression
opsrtoslem2	⊢ (𝜑 → 𝑂 ∈ Toset)

Distinct variable groups:   𝑥,𝑦,𝐵   𝑥,𝑤,𝑦,𝑧,𝐶   𝑤,ℎ,𝑥,𝑦,𝑧,𝐼   𝜑,ℎ,𝑤,𝑥,𝑦,𝑧   𝑤,𝐷,𝑥,𝑦,𝑧   𝑤, < ,𝑥,𝑦,𝑧   𝑤,𝑅,𝑥,𝑦,𝑧   𝑤,𝑇,𝑥,𝑦,𝑧

Allowed substitution hints:   𝜓(𝑥,𝑦,𝑧,𝑤,ℎ)   𝐵(𝑧,𝑤,ℎ)   𝐶(ℎ)   𝐷(ℎ)   𝑅(ℎ)   𝑆(𝑥,𝑦,𝑧,𝑤,ℎ)   < (ℎ)   𝑇(ℎ)   ≤ (𝑥,𝑦,𝑧,𝑤,ℎ)   𝑂(𝑥,𝑦,𝑧,𝑤,ℎ)   𝑉(𝑥,𝑦,𝑧,𝑤,ℎ)

Proof of Theorem opsrtoslem2

Dummy variables 𝑎 𝑏 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		opsrtoslem.d	. . . . . . . 8 ⊢ 𝐷 = {ℎ ∈ (ℕ0 ↑𝑚 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin}
2		ovex 6577	. . . . . . . 8 ⊢ (ℕ0 ↑𝑚 𝐼) ∈ V
3	1, 2	rabex2 4742	. . . . . . 7 ⊢ 𝐷 ∈ V
4		opsrtoslem.c	. . . . . . . 8 ⊢ 𝐶 = (𝑇 <bag 𝐼)
5		opsrso.i	. . . . . . . 8 ⊢ (𝜑 → 𝐼 ∈ 𝑉)
6		xpexg 6858	. . . . . . . . . 10 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝐼 ∈ 𝑉) → (𝐼 × 𝐼) ∈ V)
7	5, 5, 6	syl2anc 691	. . . . . . . . 9 ⊢ (𝜑 → (𝐼 × 𝐼) ∈ V)
8		opsrso.t	. . . . . . . . 9 ⊢ (𝜑 → 𝑇 ⊆ (𝐼 × 𝐼))
9	7, 8	ssexd 4733	. . . . . . . 8 ⊢ (𝜑 → 𝑇 ∈ V)
10		opsrso.w	. . . . . . . 8 ⊢ (𝜑 → 𝑇 We 𝐼)
11	4, 1, 5, 9, 10	ltbwe 19293	. . . . . . 7 ⊢ (𝜑 → 𝐶 We 𝐷)
12		opsrso.r	. . . . . . . . 9 ⊢ (𝜑 → 𝑅 ∈ Toset)
13		eqid 2610	. . . . . . . . . . 11 ⊢ (Base‘𝑅) = (Base‘𝑅)
14		eqid 2610	. . . . . . . . . . 11 ⊢ (le‘𝑅) = (le‘𝑅)
15		opsrtoslem.q	. . . . . . . . . . 11 ⊢ < = (lt‘𝑅)
16	13, 14, 15	tosso 16859	. . . . . . . . . 10 ⊢ (𝑅 ∈ Toset → (𝑅 ∈ Toset ↔ ( < Or (Base‘𝑅) ∧ ( I ↾ (Base‘𝑅)) ⊆ (le‘𝑅))))
17	16	ibi 255	. . . . . . . . 9 ⊢ (𝑅 ∈ Toset → ( < Or (Base‘𝑅) ∧ ( I ↾ (Base‘𝑅)) ⊆ (le‘𝑅)))
18	12, 17	syl 17	. . . . . . . 8 ⊢ (𝜑 → ( < Or (Base‘𝑅) ∧ ( I ↾ (Base‘𝑅)) ⊆ (le‘𝑅)))
19	18	simpld 474	. . . . . . 7 ⊢ (𝜑 → < Or (Base‘𝑅))
20		opsrtoslem.ps	. . . . . . . . 9 ⊢ (𝜓 ↔ ∃𝑧 ∈ 𝐷 ((𝑥‘𝑧) < (𝑦‘𝑧) ∧ ∀𝑤 ∈ 𝐷 (𝑤𝐶𝑧 → (𝑥‘𝑤) = (𝑦‘𝑤))))
21	20	opabbii 4649	. . . . . . . 8 ⊢ {⟨𝑥, 𝑦⟩ ∣ 𝜓} = {⟨𝑥, 𝑦⟩ ∣ ∃𝑧 ∈ 𝐷 ((𝑥‘𝑧) < (𝑦‘𝑧) ∧ ∀𝑤 ∈ 𝐷 (𝑤𝐶𝑧 → (𝑥‘𝑤) = (𝑦‘𝑤)))}
22	21	wemapso 8339	. . . . . . 7 ⊢ ((𝐷 ∈ V ∧ 𝐶 We 𝐷 ∧ < Or (Base‘𝑅)) → {⟨𝑥, 𝑦⟩ ∣ 𝜓} Or ((Base‘𝑅) ↑𝑚 𝐷))
23	3, 11, 19, 22	mp3an2i 1421	. . . . . 6 ⊢ (𝜑 → {⟨𝑥, 𝑦⟩ ∣ 𝜓} Or ((Base‘𝑅) ↑𝑚 𝐷))
24		opsrtoslem.s	. . . . . . . 8 ⊢ 𝑆 = (𝐼 mPwSer 𝑅)
25		opsrtoslem.b	. . . . . . . 8 ⊢ 𝐵 = (Base‘𝑆)
26	24, 13, 1, 25, 5	psrbas 19199	. . . . . . 7 ⊢ (𝜑 → 𝐵 = ((Base‘𝑅) ↑𝑚 𝐷))
27		soeq2 4979	. . . . . . 7 ⊢ (𝐵 = ((Base‘𝑅) ↑𝑚 𝐷) → ({⟨𝑥, 𝑦⟩ ∣ 𝜓} Or 𝐵 ↔ {⟨𝑥, 𝑦⟩ ∣ 𝜓} Or ((Base‘𝑅) ↑𝑚 𝐷)))
28	26, 27	syl 17	. . . . . 6 ⊢ (𝜑 → ({⟨𝑥, 𝑦⟩ ∣ 𝜓} Or 𝐵 ↔ {⟨𝑥, 𝑦⟩ ∣ 𝜓} Or ((Base‘𝑅) ↑𝑚 𝐷)))
29	23, 28	mpbird 246	. . . . 5 ⊢ (𝜑 → {⟨𝑥, 𝑦⟩ ∣ 𝜓} Or 𝐵)
30		soinxp 5106	. . . . 5 ⊢ ({⟨𝑥, 𝑦⟩ ∣ 𝜓} Or 𝐵 ↔ ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) Or 𝐵)
31	29, 30	sylib 207	. . . 4 ⊢ (𝜑 → ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) Or 𝐵)
32		opsrso.o	. . . . . . . 8 ⊢ 𝑂 = ((𝐼 ordPwSer 𝑅)‘𝑇)
33		fvex 6113	. . . . . . . 8 ⊢ ((𝐼 ordPwSer 𝑅)‘𝑇) ∈ V
34	32, 33	eqeltri 2684	. . . . . . 7 ⊢ 𝑂 ∈ V
35		opsrtoslem.l	. . . . . . . 8 ⊢ ≤ = (le‘𝑂)
36		eqid 2610	. . . . . . . 8 ⊢ (lt‘𝑂) = (lt‘𝑂)
37	35, 36	pltfval 16782	. . . . . . 7 ⊢ (𝑂 ∈ V → (lt‘𝑂) = ( ≤ ∖ I ))
38	34, 37	ax-mp 5	. . . . . 6 ⊢ (lt‘𝑂) = ( ≤ ∖ I )
39		difundir 3839	. . . . . . . 8 ⊢ ((({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∪ ( I ↾ 𝐵)) ∖ I ) = ((({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∖ I ) ∪ (( I ↾ 𝐵) ∖ I ))
40		resss 5342	. . . . . . . . . 10 ⊢ ( I ↾ 𝐵) ⊆ I
41		ssdif0 3896	. . . . . . . . . 10 ⊢ (( I ↾ 𝐵) ⊆ I ↔ (( I ↾ 𝐵) ∖ I ) = ∅)
42	40, 41	mpbi 219	. . . . . . . . 9 ⊢ (( I ↾ 𝐵) ∖ I ) = ∅
43	42	uneq2i 3726	. . . . . . . 8 ⊢ ((({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∖ I ) ∪ (( I ↾ 𝐵) ∖ I )) = ((({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∖ I ) ∪ ∅)
44		un0 3919	. . . . . . . 8 ⊢ ((({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∖ I ) ∪ ∅) = (({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∖ I )
45	39, 43, 44	3eqtri 2636	. . . . . . 7 ⊢ ((({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∪ ( I ↾ 𝐵)) ∖ I ) = (({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∖ I )
46	32, 5, 12, 8, 10, 24, 25, 15, 4, 1, 20, 35	opsrtoslem1 19305	. . . . . . . 8 ⊢ (𝜑 → ≤ = (({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∪ ( I ↾ 𝐵)))
47	46	difeq1d 3689	. . . . . . 7 ⊢ (𝜑 → ( ≤ ∖ I ) = ((({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∪ ( I ↾ 𝐵)) ∖ I ))
48		inss2 3796	. . . . . . . . . . . 12 ⊢ ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ⊆ (𝐵 × 𝐵)
49		relxp 5150	. . . . . . . . . . . 12 ⊢ Rel (𝐵 × 𝐵)
50		relss 5129	. . . . . . . . . . . 12 ⊢ (({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ⊆ (𝐵 × 𝐵) → (Rel (𝐵 × 𝐵) → Rel ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))))
51	48, 49, 50	mp2 9	. . . . . . . . . . 11 ⊢ Rel ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))
52	51	a1i 11	. . . . . . . . . 10 ⊢ (𝜑 → Rel ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)))
53		df-br 4584	. . . . . . . . . . . . . 14 ⊢ (𝑎 I 𝑏 ↔ ⟨𝑎, 𝑏⟩ ∈ I )
54		vex 3176	. . . . . . . . . . . . . . 15 ⊢ 𝑏 ∈ V
55	54	ideq 5196	. . . . . . . . . . . . . 14 ⊢ (𝑎 I 𝑏 ↔ 𝑎 = 𝑏)
56	53, 55	bitr3i 265	. . . . . . . . . . . . 13 ⊢ (⟨𝑎, 𝑏⟩ ∈ I ↔ 𝑎 = 𝑏)
57		brin 4634	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑎({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))𝑎 ↔ (𝑎{⟨𝑥, 𝑦⟩ ∣ 𝜓}𝑎 ∧ 𝑎(𝐵 × 𝐵)𝑎))
58	57	simprbi 479	. . . . . . . . . . . . . . . . 17 ⊢ (𝑎({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))𝑎 → 𝑎(𝐵 × 𝐵)𝑎)
59		brxp 5071	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑎(𝐵 × 𝐵)𝑎 ↔ (𝑎 ∈ 𝐵 ∧ 𝑎 ∈ 𝐵))
60	59	simprbi 479	. . . . . . . . . . . . . . . . 17 ⊢ (𝑎(𝐵 × 𝐵)𝑎 → 𝑎 ∈ 𝐵)
61	58, 60	syl 17	. . . . . . . . . . . . . . . 16 ⊢ (𝑎({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))𝑎 → 𝑎 ∈ 𝐵)
62		sonr 4980	. . . . . . . . . . . . . . . . 17 ⊢ ((({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) Or 𝐵 ∧ 𝑎 ∈ 𝐵) → ¬ 𝑎({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))𝑎)
63	62	ex 449	. . . . . . . . . . . . . . . 16 ⊢ (({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) Or 𝐵 → (𝑎 ∈ 𝐵 → ¬ 𝑎({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))𝑎))
64	31, 61, 63	syl2im 39	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (𝑎({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))𝑎 → ¬ 𝑎({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))𝑎))
65	64	pm2.01d 180	. . . . . . . . . . . . . 14 ⊢ (𝜑 → ¬ 𝑎({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))𝑎)
66		breq2 4587	. . . . . . . . . . . . . . . 16 ⊢ (𝑎 = 𝑏 → (𝑎({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))𝑎 ↔ 𝑎({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))𝑏))
67		df-br 4584	. . . . . . . . . . . . . . . 16 ⊢ (𝑎({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))𝑏 ↔ ⟨𝑎, 𝑏⟩ ∈ ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)))
68	66, 67	syl6bb 275	. . . . . . . . . . . . . . 15 ⊢ (𝑎 = 𝑏 → (𝑎({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))𝑎 ↔ ⟨𝑎, 𝑏⟩ ∈ ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))))
69	68	notbid 307	. . . . . . . . . . . . . 14 ⊢ (𝑎 = 𝑏 → (¬ 𝑎({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))𝑎 ↔ ¬ ⟨𝑎, 𝑏⟩ ∈ ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))))
70	65, 69	syl5ibcom 234	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝑎 = 𝑏 → ¬ ⟨𝑎, 𝑏⟩ ∈ ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))))
71	56, 70	syl5bi 231	. . . . . . . . . . . 12 ⊢ (𝜑 → (⟨𝑎, 𝑏⟩ ∈ I → ¬ ⟨𝑎, 𝑏⟩ ∈ ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵))))
72	71	con2d 128	. . . . . . . . . . 11 ⊢ (𝜑 → (⟨𝑎, 𝑏⟩ ∈ ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) → ¬ ⟨𝑎, 𝑏⟩ ∈ I ))
73		opex 4859	. . . . . . . . . . . 12 ⊢ ⟨𝑎, 𝑏⟩ ∈ V
74		eldif 3550	. . . . . . . . . . . 12 ⊢ (⟨𝑎, 𝑏⟩ ∈ (V ∖ I ) ↔ (⟨𝑎, 𝑏⟩ ∈ V ∧ ¬ ⟨𝑎, 𝑏⟩ ∈ I ))
75	73, 74	mpbiran 955	. . . . . . . . . . 11 ⊢ (⟨𝑎, 𝑏⟩ ∈ (V ∖ I ) ↔ ¬ ⟨𝑎, 𝑏⟩ ∈ I )
76	72, 75	syl6ibr 241	. . . . . . . . . 10 ⊢ (𝜑 → (⟨𝑎, 𝑏⟩ ∈ ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) → ⟨𝑎, 𝑏⟩ ∈ (V ∖ I )))
77	52, 76	relssdv 5135	. . . . . . . . 9 ⊢ (𝜑 → ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ⊆ (V ∖ I ))
78		disj2 3976	. . . . . . . . 9 ⊢ ((({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∩ I ) = ∅ ↔ ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ⊆ (V ∖ I ))
79	77, 78	sylibr 223	. . . . . . . 8 ⊢ (𝜑 → (({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∩ I ) = ∅)
80		disj3 3973	. . . . . . . 8 ⊢ ((({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∩ I ) = ∅ ↔ ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) = (({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∖ I ))
81	79, 80	sylib 207	. . . . . . 7 ⊢ (𝜑 → ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) = (({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∖ I ))
82	45, 47, 81	3eqtr4a 2670	. . . . . 6 ⊢ (𝜑 → ( ≤ ∖ I ) = ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)))
83	38, 82	syl5eq 2656	. . . . 5 ⊢ (𝜑 → (lt‘𝑂) = ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)))
84		soeq1 4978	. . . . 5 ⊢ ((lt‘𝑂) = ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) → ((lt‘𝑂) Or 𝐵 ↔ ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) Or 𝐵))
85	83, 84	syl 17	. . . 4 ⊢ (𝜑 → ((lt‘𝑂) Or 𝐵 ↔ ({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) Or 𝐵))
86	31, 85	mpbird 246	. . 3 ⊢ (𝜑 → (lt‘𝑂) Or 𝐵)
87	24, 32, 8	opsrbas 19300	. . . . 5 ⊢ (𝜑 → (Base‘𝑆) = (Base‘𝑂))
88	25, 87	syl5eq 2656	. . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝑂))
89		soeq2 4979	. . . 4 ⊢ (𝐵 = (Base‘𝑂) → ((lt‘𝑂) Or 𝐵 ↔ (lt‘𝑂) Or (Base‘𝑂)))
90	88, 89	syl 17	. . 3 ⊢ (𝜑 → ((lt‘𝑂) Or 𝐵 ↔ (lt‘𝑂) Or (Base‘𝑂)))
91	86, 90	mpbid 221	. 2 ⊢ (𝜑 → (lt‘𝑂) Or (Base‘𝑂))
92	88	reseq2d 5317	. . . 4 ⊢ (𝜑 → ( I ↾ 𝐵) = ( I ↾ (Base‘𝑂)))
93		ssun2 3739	. . . 4 ⊢ ( I ↾ 𝐵) ⊆ (({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∪ ( I ↾ 𝐵))
94	92, 93	syl6eqssr 3619	. . 3 ⊢ (𝜑 → ( I ↾ (Base‘𝑂)) ⊆ (({⟨𝑥, 𝑦⟩ ∣ 𝜓} ∩ (𝐵 × 𝐵)) ∪ ( I ↾ 𝐵)))
95	94, 46	sseqtr4d 3605	. 2 ⊢ (𝜑 → ( I ↾ (Base‘𝑂)) ⊆ ≤ )
96		eqid 2610	. . . 4 ⊢ (Base‘𝑂) = (Base‘𝑂)
97	96, 35, 36	tosso 16859	. . 3 ⊢ (𝑂 ∈ V → (𝑂 ∈ Toset ↔ ((lt‘𝑂) Or (Base‘𝑂) ∧ ( I ↾ (Base‘𝑂)) ⊆ ≤ )))
98	34, 97	ax-mp 5	. 2 ⊢ (𝑂 ∈ Toset ↔ ((lt‘𝑂) Or (Base‘𝑂) ∧ ( I ↾ (Base‘𝑂)) ⊆ ≤ ))
99	91, 95, 98	sylanbrc 695	1 ⊢ (𝜑 → 𝑂 ∈ Toset)

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 195   ∧ wa 383   = wceq 1475   ∈ wcel 1977  ∀wral 2896  ∃wrex 2897  {crab 2900  Vcvv 3173   ∖ cdif 3537   ∪ cun 3538   ∩ cin 3539   ⊆ wss 3540  ∅c0 3874  ⟨cop 4131   class class class wbr 4583  {copab 4642   I cid 4948   Or wor 4958   We wwe 4996   × cxp 5036  ^◡ccnv 5037   ↾ cres 5040   “ cima 5041  Rel wrel 5043  ‘cfv 5804  (class class class)co 6549   ↑_𝑚 cmap 7744  Fincfn 7841  ℕcn 10897  ℕ₀cn0 11169  Basecbs 15695  lecple 15775  ltcplt 16764  Tosetctos 16856   mPwSer cmps 19172   <_bag cltb 19175   ordPwSer copws 19176

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-8 1979  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-rep 4699  ax-sep 4709  ax-nul 4717  ax-pow 4769  ax-pr 4833  ax-un 6847  ax-inf2 8421  ax-cnex 9871  ax-resscn 9872  ax-1cn 9873  ax-icn 9874  ax-addcl 9875  ax-addrcl 9876  ax-mulcl 9877  ax-mulrcl 9878  ax-mulcom 9879  ax-addass 9880  ax-mulass 9881  ax-distr 9882  ax-i2m1 9883  ax-1ne0 9884  ax-1rid 9885  ax-rnegex 9886  ax-rrecex 9887  ax-cnre 9888  ax-pre-lttri 9889  ax-pre-lttrn 9890  ax-pre-ltadd 9891  ax-pre-mulgt0 9892

This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3or 1032  df-3an 1033  df-tru 1478  df-fal 1481  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ne 2782  df-nel 2783  df-ral 2901  df-rex 2902  df-reu 2903  df-rmo 2904  df-rab 2905  df-v 3175  df-sbc 3403  df-csb 3500  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-pss 3556  df-nul 3875  df-if 4037  df-pw 4110  df-sn 4126  df-pr 4128  df-tp 4130  df-op 4132  df-uni 4373  df-int 4411  df-iun 4457  df-br 4584  df-opab 4644  df-mpt 4645  df-tr 4681  df-eprel 4949  df-id 4953  df-po 4959  df-so 4960  df-fr 4997  df-se 4998  df-we 4999  df-xp 5044  df-rel 5045  df-cnv 5046  df-co 5047  df-dm 5048  df-rn 5049  df-res 5050  df-ima 5051  df-pred 5597  df-ord 5643  df-on 5644  df-lim 5645  df-suc 5646  df-iota 5768  df-fun 5806  df-fn 5807  df-f 5808  df-f1 5809  df-fo 5810  df-f1o 5811  df-fv 5812  df-isom 5813  df-riota 6511  df-ov 6552  df-oprab 6553  df-mpt2 6554  df-of 6795  df-om 6958  df-1st 7059  df-2nd 7060  df-supp 7183  df-wrecs 7294  df-recs 7355  df-rdg 7393  df-seqom 7430  df-1o 7447  df-2o 7448  df-oadd 7451  df-omul 7452  df-oexp 7453  df-er 7629  df-map 7746  df-en 7842  df-dom 7843  df-sdom 7844  df-fin 7845  df-fsupp 8159  df-oi 8298  df-cnf 8442  df-card 8648  df-pnf 9955  df-mnf 9956  df-xr 9957  df-ltxr 9958  df-le 9959  df-sub 10147  df-neg 10148  df-nn 10898  df-2 10956  df-3 10957  df-4 10958  df-5 10959  df-6 10960  df-7 10961  df-8 10962  df-9 10963  df-n0 11170  df-xnn0 11241  df-z 11255  df-dec 11370  df-uz 11564  df-fz 12198  df-hash 12980  df-struct 15697  df-ndx 15698  df-slot 15699  df-base 15700  df-sets 15701  df-plusg 15781  df-mulr 15782  df-sca 15784  df-vsca 15785  df-tset 15787  df-ple 15788  df-preset 16751  df-poset 16769  df-plt 16781  df-toset 16857  df-psr 19177  df-ltbag 19180  df-opsr 19181

This theorem is referenced by:  opsrtos  19307