Theorem bnj1452 35216

Description: Technical lemma for bnj60 35226. This lemma may no longer be used or have become an indirect lemma of the theorem in question (i.e. a lemma of a lemma... of the theorem). (Contributed by Jonathan Ben-Naim, 3-Jun-2011.) (New usage is discouraged.)

Hypotheses

Ref	Expression
bnj1452.1	⊢ 𝐵 = {𝑑 ∣ (𝑑 ⊆ 𝐴 ∧ ∀𝑥 ∈ 𝑑 pred(𝑥, 𝐴, 𝑅) ⊆ 𝑑)}
bnj1452.2	⊢ 𝑌 = ⟨𝑥, (𝑓 ↾ pred(𝑥, 𝐴, 𝑅))⟩
bnj1452.3	⊢ 𝐶 = {𝑓 ∣ ∃𝑑 ∈ 𝐵 (𝑓 Fn 𝑑 ∧ ∀𝑥 ∈ 𝑑 (𝑓‘𝑥) = (𝐺‘𝑌))}
bnj1452.4	⊢ (𝜏 ↔ (𝑓 ∈ 𝐶 ∧ dom 𝑓 = ({𝑥} ∪ trCl(𝑥, 𝐴, 𝑅))))
bnj1452.5	⊢ 𝐷 = {𝑥 ∈ 𝐴 ∣ ¬ ∃𝑓𝜏}
bnj1452.6	⊢ (𝜓 ↔ (𝑅 FrSe 𝐴 ∧ 𝐷 ≠ ∅))
bnj1452.7	⊢ (𝜒 ↔ (𝜓 ∧ 𝑥 ∈ 𝐷 ∧ ∀𝑦 ∈ 𝐷 ¬ 𝑦𝑅𝑥))
bnj1452.8	⊢ (𝜏′ ↔ [𝑦 / 𝑥]𝜏)
bnj1452.9	⊢ 𝐻 = {𝑓 ∣ ∃𝑦 ∈ pred (𝑥, 𝐴, 𝑅)𝜏′}
bnj1452.10	⊢ 𝑃 = ∪ 𝐻
bnj1452.11	⊢ 𝑍 = ⟨𝑥, (𝑃 ↾ pred(𝑥, 𝐴, 𝑅))⟩
bnj1452.12	⊢ 𝑄 = (𝑃 ∪ {⟨𝑥, (𝐺‘𝑍)⟩})
bnj1452.13	⊢ 𝑊 = ⟨𝑧, (𝑄 ↾ pred(𝑧, 𝐴, 𝑅))⟩
bnj1452.14	⊢ 𝐸 = ({𝑥} ∪ trCl(𝑥, 𝐴, 𝑅))

Assertion

Ref	Expression
bnj1452	⊢ (𝜒 → 𝐸 ∈ 𝐵)

Distinct variable groups:   𝐴,𝑑,𝑥,𝑧   𝐸,𝑑,𝑧   𝑅,𝑑,𝑥,𝑧   𝜒,𝑧

Allowed substitution hints:   𝜓(𝑥,𝑦,𝑧,𝑓,𝑑)   𝜒(𝑥,𝑦,𝑓,𝑑)   𝜏(𝑥,𝑦,𝑧,𝑓,𝑑)   𝐴(𝑦,𝑓)   𝐵(𝑥,𝑦,𝑧,𝑓,𝑑)   𝐶(𝑥,𝑦,𝑧,𝑓,𝑑)   𝐷(𝑥,𝑦,𝑧,𝑓,𝑑)   𝑃(𝑥,𝑦,𝑧,𝑓,𝑑)   𝑄(𝑥,𝑦,𝑧,𝑓,𝑑)   𝑅(𝑦,𝑓)   𝐸(𝑥,𝑦,𝑓)   𝐺(𝑥,𝑦,𝑧,𝑓,𝑑)   𝐻(𝑥,𝑦,𝑧,𝑓,𝑑)   𝑊(𝑥,𝑦,𝑧,𝑓,𝑑)   𝑌(𝑥,𝑦,𝑧,𝑓,𝑑)   𝑍(𝑥,𝑦,𝑧,𝑓,𝑑)   𝜏′(𝑥,𝑦,𝑧,𝑓,𝑑)

Proof of Theorem bnj1452

Step	Hyp	Ref	Expression
1		bnj1452.14	. . 3 ⊢ 𝐸 = ({𝑥} ∪ trCl(𝑥, 𝐴, 𝑅))
2		bnj1452.5	. . . . . 6 ⊢ 𝐷 = {𝑥 ∈ 𝐴 ∣ ¬ ∃𝑓𝜏}
3		bnj1452.7	. . . . . 6 ⊢ (𝜒 ↔ (𝜓 ∧ 𝑥 ∈ 𝐷 ∧ ∀𝑦 ∈ 𝐷 ¬ 𝑦𝑅𝑥))
4	2, 3	bnj1212 34963	. . . . 5 ⊢ (𝜒 → 𝑥 ∈ 𝐴)
5	4	snssd 4753	. . . 4 ⊢ (𝜒 → {𝑥} ⊆ 𝐴)
6		bnj1147 35158	. . . . 5 ⊢ trCl(𝑥, 𝐴, 𝑅) ⊆ 𝐴
7	6	a1i 11	. . . 4 ⊢ (𝜒 → trCl(𝑥, 𝐴, 𝑅) ⊆ 𝐴)
8	5, 7	unssd 4133	. . 3 ⊢ (𝜒 → ({𝑥} ∪ trCl(𝑥, 𝐴, 𝑅)) ⊆ 𝐴)
9	1, 8	eqsstrid 3961	. 2 ⊢ (𝜒 → 𝐸 ⊆ 𝐴)
10		elsni 4585	. . . . . . . 8 ⊢ (𝑧 ∈ {𝑥} → 𝑧 = 𝑥)
11	10	adantl 481	. . . . . . 7 ⊢ (((𝜒 ∧ 𝑧 ∈ 𝐸) ∧ 𝑧 ∈ {𝑥}) → 𝑧 = 𝑥)
12		bnj602 35079	. . . . . . 7 ⊢ (𝑧 = 𝑥 → pred(𝑧, 𝐴, 𝑅) = pred(𝑥, 𝐴, 𝑅))
13	11, 12	syl 17	. . . . . 6 ⊢ (((𝜒 ∧ 𝑧 ∈ 𝐸) ∧ 𝑧 ∈ {𝑥}) → pred(𝑧, 𝐴, 𝑅) = pred(𝑥, 𝐴, 𝑅))
14		bnj1452.6	. . . . . . . . . 10 ⊢ (𝜓 ↔ (𝑅 FrSe 𝐴 ∧ 𝐷 ≠ ∅))
15	14	simplbi 496	. . . . . . . . 9 ⊢ (𝜓 → 𝑅 FrSe 𝐴)
16	3, 15	bnj835 34924	. . . . . . . 8 ⊢ (𝜒 → 𝑅 FrSe 𝐴)
17		bnj906 35094	. . . . . . . 8 ⊢ ((𝑅 FrSe 𝐴 ∧ 𝑥 ∈ 𝐴) → pred(𝑥, 𝐴, 𝑅) ⊆ trCl(𝑥, 𝐴, 𝑅))
18	16, 4, 17	syl2anc 585	. . . . . . 7 ⊢ (𝜒 → pred(𝑥, 𝐴, 𝑅) ⊆ trCl(𝑥, 𝐴, 𝑅))
19	18	ad2antrr 727	. . . . . 6 ⊢ (((𝜒 ∧ 𝑧 ∈ 𝐸) ∧ 𝑧 ∈ {𝑥}) → pred(𝑥, 𝐴, 𝑅) ⊆ trCl(𝑥, 𝐴, 𝑅))
20	13, 19	eqsstrd 3957	. . . . 5 ⊢ (((𝜒 ∧ 𝑧 ∈ 𝐸) ∧ 𝑧 ∈ {𝑥}) → pred(𝑧, 𝐴, 𝑅) ⊆ trCl(𝑥, 𝐴, 𝑅))
21		ssun4 4122	. . . . . 6 ⊢ ( pred(𝑧, 𝐴, 𝑅) ⊆ trCl(𝑥, 𝐴, 𝑅) → pred(𝑧, 𝐴, 𝑅) ⊆ ({𝑥} ∪ trCl(𝑥, 𝐴, 𝑅)))
22	21, 1	sseqtrrdi 3964	. . . . 5 ⊢ ( pred(𝑧, 𝐴, 𝑅) ⊆ trCl(𝑥, 𝐴, 𝑅) → pred(𝑧, 𝐴, 𝑅) ⊆ 𝐸)
23	20, 22	syl 17	. . . 4 ⊢ (((𝜒 ∧ 𝑧 ∈ 𝐸) ∧ 𝑧 ∈ {𝑥}) → pred(𝑧, 𝐴, 𝑅) ⊆ 𝐸)
24	16	ad2antrr 727	. . . . . . 7 ⊢ (((𝜒 ∧ 𝑧 ∈ 𝐸) ∧ 𝑧 ∈ trCl(𝑥, 𝐴, 𝑅)) → 𝑅 FrSe 𝐴)
25		simpr 484	. . . . . . . 8 ⊢ (((𝜒 ∧ 𝑧 ∈ 𝐸) ∧ 𝑧 ∈ trCl(𝑥, 𝐴, 𝑅)) → 𝑧 ∈ trCl(𝑥, 𝐴, 𝑅))
26	6, 25	bnj1213 34962	. . . . . . 7 ⊢ (((𝜒 ∧ 𝑧 ∈ 𝐸) ∧ 𝑧 ∈ trCl(𝑥, 𝐴, 𝑅)) → 𝑧 ∈ 𝐴)
27		bnj906 35094	. . . . . . 7 ⊢ ((𝑅 FrSe 𝐴 ∧ 𝑧 ∈ 𝐴) → pred(𝑧, 𝐴, 𝑅) ⊆ trCl(𝑧, 𝐴, 𝑅))
28	24, 26, 27	syl2anc 585	. . . . . 6 ⊢ (((𝜒 ∧ 𝑧 ∈ 𝐸) ∧ 𝑧 ∈ trCl(𝑥, 𝐴, 𝑅)) → pred(𝑧, 𝐴, 𝑅) ⊆ trCl(𝑧, 𝐴, 𝑅))
29	4	ad2antrr 727	. . . . . . 7 ⊢ (((𝜒 ∧ 𝑧 ∈ 𝐸) ∧ 𝑧 ∈ trCl(𝑥, 𝐴, 𝑅)) → 𝑥 ∈ 𝐴)
30		bnj1125 35156	. . . . . . 7 ⊢ ((𝑅 FrSe 𝐴 ∧ 𝑥 ∈ 𝐴 ∧ 𝑧 ∈ trCl(𝑥, 𝐴, 𝑅)) → trCl(𝑧, 𝐴, 𝑅) ⊆ trCl(𝑥, 𝐴, 𝑅))
31	24, 29, 25, 30	syl3anc 1374	. . . . . 6 ⊢ (((𝜒 ∧ 𝑧 ∈ 𝐸) ∧ 𝑧 ∈ trCl(𝑥, 𝐴, 𝑅)) → trCl(𝑧, 𝐴, 𝑅) ⊆ trCl(𝑥, 𝐴, 𝑅))
32	28, 31	sstrd 3933	. . . . 5 ⊢ (((𝜒 ∧ 𝑧 ∈ 𝐸) ∧ 𝑧 ∈ trCl(𝑥, 𝐴, 𝑅)) → pred(𝑧, 𝐴, 𝑅) ⊆ trCl(𝑥, 𝐴, 𝑅))
33	32, 22	syl 17	. . . 4 ⊢ (((𝜒 ∧ 𝑧 ∈ 𝐸) ∧ 𝑧 ∈ trCl(𝑥, 𝐴, 𝑅)) → pred(𝑧, 𝐴, 𝑅) ⊆ 𝐸)
34	1	bnj1424 35002	. . . . 5 ⊢ (𝑧 ∈ 𝐸 → (𝑧 ∈ {𝑥} ∨ 𝑧 ∈ trCl(𝑥, 𝐴, 𝑅)))
35	34	adantl 481	. . . 4 ⊢ ((𝜒 ∧ 𝑧 ∈ 𝐸) → (𝑧 ∈ {𝑥} ∨ 𝑧 ∈ trCl(𝑥, 𝐴, 𝑅)))
36	23, 33, 35	mpjaodan 961	. . 3 ⊢ ((𝜒 ∧ 𝑧 ∈ 𝐸) → pred(𝑧, 𝐴, 𝑅) ⊆ 𝐸)
37	36	ralrimiva 3130	. 2 ⊢ (𝜒 → ∀𝑧 ∈ 𝐸 pred(𝑧, 𝐴, 𝑅) ⊆ 𝐸)
38		vsnex 5376	. . . . . . . 8 ⊢ {𝑥} ∈ V
39	38	a1i 11	. . . . . . 7 ⊢ (𝜒 → {𝑥} ∈ V)
40		bnj893 35092	. . . . . . . 8 ⊢ ((𝑅 FrSe 𝐴 ∧ 𝑥 ∈ 𝐴) → trCl(𝑥, 𝐴, 𝑅) ∈ V)
41	16, 4, 40	syl2anc 585	. . . . . . 7 ⊢ (𝜒 → trCl(𝑥, 𝐴, 𝑅) ∈ V)
42	39, 41	bnj1149 34956	. . . . . 6 ⊢ (𝜒 → ({𝑥} ∪ trCl(𝑥, 𝐴, 𝑅)) ∈ V)
43	1, 42	eqeltrid 2841	. . . . 5 ⊢ (𝜒 → 𝐸 ∈ V)
44		bnj1452.1	. . . . . 6 ⊢ 𝐵 = {𝑑 ∣ (𝑑 ⊆ 𝐴 ∧ ∀𝑥 ∈ 𝑑 pred(𝑥, 𝐴, 𝑅) ⊆ 𝑑)}
45	44	bnj1454 35006	. . . . 5 ⊢ (𝐸 ∈ V → (𝐸 ∈ 𝐵 ↔ [𝐸 / 𝑑](𝑑 ⊆ 𝐴 ∧ ∀𝑥 ∈ 𝑑 pred(𝑥, 𝐴, 𝑅) ⊆ 𝑑)))
46	43, 45	syl 17	. . . 4 ⊢ (𝜒 → (𝐸 ∈ 𝐵 ↔ [𝐸 / 𝑑](𝑑 ⊆ 𝐴 ∧ ∀𝑥 ∈ 𝑑 pred(𝑥, 𝐴, 𝑅) ⊆ 𝑑)))
47		bnj602 35079	. . . . . . . 8 ⊢ (𝑥 = 𝑧 → pred(𝑥, 𝐴, 𝑅) = pred(𝑧, 𝐴, 𝑅))
48	47	sseq1d 3954	. . . . . . 7 ⊢ (𝑥 = 𝑧 → ( pred(𝑥, 𝐴, 𝑅) ⊆ 𝑑 ↔ pred(𝑧, 𝐴, 𝑅) ⊆ 𝑑))
49	48	cbvralvw 3216	. . . . . 6 ⊢ (∀𝑥 ∈ 𝑑 pred(𝑥, 𝐴, 𝑅) ⊆ 𝑑 ↔ ∀𝑧 ∈ 𝑑 pred(𝑧, 𝐴, 𝑅) ⊆ 𝑑)
50	49	anbi2i 624	. . . . 5 ⊢ ((𝑑 ⊆ 𝐴 ∧ ∀𝑥 ∈ 𝑑 pred(𝑥, 𝐴, 𝑅) ⊆ 𝑑) ↔ (𝑑 ⊆ 𝐴 ∧ ∀𝑧 ∈ 𝑑 pred(𝑧, 𝐴, 𝑅) ⊆ 𝑑))
51	50	sbcbii 3786	. . . 4 ⊢ ([𝐸 / 𝑑](𝑑 ⊆ 𝐴 ∧ ∀𝑥 ∈ 𝑑 pred(𝑥, 𝐴, 𝑅) ⊆ 𝑑) ↔ [𝐸 / 𝑑](𝑑 ⊆ 𝐴 ∧ ∀𝑧 ∈ 𝑑 pred(𝑧, 𝐴, 𝑅) ⊆ 𝑑))
52	46, 51	bitrdi 287	. . 3 ⊢ (𝜒 → (𝐸 ∈ 𝐵 ↔ [𝐸 / 𝑑](𝑑 ⊆ 𝐴 ∧ ∀𝑧 ∈ 𝑑 pred(𝑧, 𝐴, 𝑅) ⊆ 𝑑)))
53		sseq1 3948	. . . . . 6 ⊢ (𝑑 = 𝐸 → (𝑑 ⊆ 𝐴 ↔ 𝐸 ⊆ 𝐴))
54		sseq2 3949	. . . . . . 7 ⊢ (𝑑 = 𝐸 → ( pred(𝑧, 𝐴, 𝑅) ⊆ 𝑑 ↔ pred(𝑧, 𝐴, 𝑅) ⊆ 𝐸))
55	54	raleqbi1dv 3306	. . . . . 6 ⊢ (𝑑 = 𝐸 → (∀𝑧 ∈ 𝑑 pred(𝑧, 𝐴, 𝑅) ⊆ 𝑑 ↔ ∀𝑧 ∈ 𝐸 pred(𝑧, 𝐴, 𝑅) ⊆ 𝐸))
56	53, 55	anbi12d 633	. . . . 5 ⊢ (𝑑 = 𝐸 → ((𝑑 ⊆ 𝐴 ∧ ∀𝑧 ∈ 𝑑 pred(𝑧, 𝐴, 𝑅) ⊆ 𝑑) ↔ (𝐸 ⊆ 𝐴 ∧ ∀𝑧 ∈ 𝐸 pred(𝑧, 𝐴, 𝑅) ⊆ 𝐸)))
57	56	sbcieg 3769	. . . 4 ⊢ (𝐸 ∈ V → ([𝐸 / 𝑑](𝑑 ⊆ 𝐴 ∧ ∀𝑧 ∈ 𝑑 pred(𝑧, 𝐴, 𝑅) ⊆ 𝑑) ↔ (𝐸 ⊆ 𝐴 ∧ ∀𝑧 ∈ 𝐸 pred(𝑧, 𝐴, 𝑅) ⊆ 𝐸)))
58	43, 57	syl 17	. . 3 ⊢ (𝜒 → ([𝐸 / 𝑑](𝑑 ⊆ 𝐴 ∧ ∀𝑧 ∈ 𝑑 pred(𝑧, 𝐴, 𝑅) ⊆ 𝑑) ↔ (𝐸 ⊆ 𝐴 ∧ ∀𝑧 ∈ 𝐸 pred(𝑧, 𝐴, 𝑅) ⊆ 𝐸)))
59	52, 58	bitrd 279	. 2 ⊢ (𝜒 → (𝐸 ∈ 𝐵 ↔ (𝐸 ⊆ 𝐴 ∧ ∀𝑧 ∈ 𝐸 pred(𝑧, 𝐴, 𝑅) ⊆ 𝐸)))
60	9, 37, 59	mpbir2and 714	1 ⊢ (𝜒 → 𝐸 ∈ 𝐵)

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 206   ∧ wa 395   ∨ wo 848   ∧ w3a 1087   = wceq 1542  ∃wex 1781   ∈ wcel 2114  {cab 2715   ≠ wne 2933  ∀wral 3052  ∃wrex 3062  {crab 3390  Vcvv 3430  [wsbc 3729   ∪ cun 3888   ⊆ wss 3890  ∅c0 4274  {csn 4568  ⟨cop 4574  ∪ cuni 4851   class class class wbr 5086  dom cdm 5628   ↾ cres 5630   Fn wfn 6491  ‘cfv 6496   predc-bnj14 34853   FrSe w-bnj15 34857   trClc-bnj18 34859

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 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-rep 5213  ax-sep 5232  ax-nul 5242  ax-pow 5306  ax-pr 5374  ax-un 7686  ax-reg 9504  ax-inf2 9559

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3063  df-reu 3344  df-rab 3391  df-v 3432  df-sbc 3730  df-csb 3839  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-pss 3910  df-nul 4275  df-if 4468  df-pw 4544  df-sn 4569  df-pr 4571  df-op 4575  df-uni 4852  df-iun 4936  df-br 5087  df-opab 5149  df-mpt 5168  df-tr 5194  df-id 5523  df-eprel 5528  df-po 5536  df-so 5537  df-fr 5581  df-we 5583  df-xp 5634  df-rel 5635  df-cnv 5636  df-co 5637  df-dm 5638  df-rn 5639  df-res 5640  df-ima 5641  df-ord 6324  df-on 6325  df-lim 6326  df-suc 6327  df-iota 6452  df-fun 6498  df-fn 6499  df-f 6500  df-f1 6501  df-fo 6502  df-f1o 6503  df-fv 6504  df-om 7815  df-1o 8402  df-bnj17 34852  df-bnj14 34854  df-bnj13 34856  df-bnj15 34858  df-bnj18 34860  df-bnj19 34862

This theorem is referenced by:  bnj1312  35222