Theorem bnj1174 32277

Description: Technical lemma for bnj69 32284. 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
bnj1174.3	⊢ 𝐶 = ( trCl(𝑋, 𝐴, 𝑅) ∩ 𝐵)
bnj1174.59	⊢ ∃𝑧∀𝑤((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶))))
bnj1174.74	⊢ (𝜃 → (𝑤𝑅𝑧 → 𝑤 ∈ trCl(𝑋, 𝐴, 𝑅)))

Assertion

Ref	Expression
bnj1174	⊢ ∃𝑧∀𝑤((𝜑 ∧ 𝜓) → ((𝜑 ∧ 𝜓 ∧ 𝑧 ∈ 𝐶) ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵))))

Proof of Theorem bnj1174

Step	Hyp	Ref	Expression
1		bnj1174.59	. . . . 5 ⊢ ∃𝑧∀𝑤((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶))))
2		bnj1174.74	. . . . . . . . . . . 12 ⊢ (𝜃 → (𝑤𝑅𝑧 → 𝑤 ∈ trCl(𝑋, 𝐴, 𝑅)))
3		bnj1174.3	. . . . . . . . . . . . . . . 16 ⊢ 𝐶 = ( trCl(𝑋, 𝐴, 𝑅) ∩ 𝐵)
4	3	eleq2i 2906	. . . . . . . . . . . . . . 15 ⊢ (𝑤 ∈ 𝐶 ↔ 𝑤 ∈ ( trCl(𝑋, 𝐴, 𝑅) ∩ 𝐵))
5	4	notbii 322	. . . . . . . . . . . . . 14 ⊢ (¬ 𝑤 ∈ 𝐶 ↔ ¬ 𝑤 ∈ ( trCl(𝑋, 𝐴, 𝑅) ∩ 𝐵))
6		ianor 978	. . . . . . . . . . . . . . . . 17 ⊢ (¬ (𝑤 ∈ trCl(𝑋, 𝐴, 𝑅) ∧ 𝑤 ∈ 𝐵) ↔ (¬ 𝑤 ∈ trCl(𝑋, 𝐴, 𝑅) ∨ ¬ 𝑤 ∈ 𝐵))
7		elin 4171	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑤 ∈ ( trCl(𝑋, 𝐴, 𝑅) ∩ 𝐵) ↔ (𝑤 ∈ trCl(𝑋, 𝐴, 𝑅) ∧ 𝑤 ∈ 𝐵))
8	7	notbii 322	. . . . . . . . . . . . . . . . 17 ⊢ (¬ 𝑤 ∈ ( trCl(𝑋, 𝐴, 𝑅) ∩ 𝐵) ↔ ¬ (𝑤 ∈ trCl(𝑋, 𝐴, 𝑅) ∧ 𝑤 ∈ 𝐵))
9		pm4.62 852	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑤 ∈ trCl(𝑋, 𝐴, 𝑅) → ¬ 𝑤 ∈ 𝐵) ↔ (¬ 𝑤 ∈ trCl(𝑋, 𝐴, 𝑅) ∨ ¬ 𝑤 ∈ 𝐵))
10	6, 8, 9	3bitr4i 305	. . . . . . . . . . . . . . . 16 ⊢ (¬ 𝑤 ∈ ( trCl(𝑋, 𝐴, 𝑅) ∩ 𝐵) ↔ (𝑤 ∈ trCl(𝑋, 𝐴, 𝑅) → ¬ 𝑤 ∈ 𝐵))
11	10	biimpi 218	. . . . . . . . . . . . . . 15 ⊢ (¬ 𝑤 ∈ ( trCl(𝑋, 𝐴, 𝑅) ∩ 𝐵) → (𝑤 ∈ trCl(𝑋, 𝐴, 𝑅) → ¬ 𝑤 ∈ 𝐵))
12	11	impcom 410	. . . . . . . . . . . . . 14 ⊢ ((𝑤 ∈ trCl(𝑋, 𝐴, 𝑅) ∧ ¬ 𝑤 ∈ ( trCl(𝑋, 𝐴, 𝑅) ∩ 𝐵)) → ¬ 𝑤 ∈ 𝐵)
13	5, 12	sylan2b 595	. . . . . . . . . . . . 13 ⊢ ((𝑤 ∈ trCl(𝑋, 𝐴, 𝑅) ∧ ¬ 𝑤 ∈ 𝐶) → ¬ 𝑤 ∈ 𝐵)
14	13	ex 415	. . . . . . . . . . . 12 ⊢ (𝑤 ∈ trCl(𝑋, 𝐴, 𝑅) → (¬ 𝑤 ∈ 𝐶 → ¬ 𝑤 ∈ 𝐵))
15	2, 14	syl6 35	. . . . . . . . . . 11 ⊢ (𝜃 → (𝑤𝑅𝑧 → (¬ 𝑤 ∈ 𝐶 → ¬ 𝑤 ∈ 𝐵)))
16	15	a2d 29	. . . . . . . . . 10 ⊢ (𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))
17	16	biantru 532	. . . . . . . . 9 ⊢ ((𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶))) ↔ ((𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶))) ∧ (𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))))
18		df-3an 1085	. . . . . . . . 9 ⊢ ((𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)) ∧ (𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))) ↔ ((𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶))) ∧ (𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))))
19		3anass 1091	. . . . . . . . 9 ⊢ ((𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)) ∧ (𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))) ↔ (𝑧 ∈ 𝐶 ∧ ((𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)) ∧ (𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵))))))
20	17, 18, 19	3bitr2i 301	. . . . . . . 8 ⊢ ((𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶))) ↔ (𝑧 ∈ 𝐶 ∧ ((𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)) ∧ (𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵))))))
21	20	imbi2i 338	. . . . . . 7 ⊢ (((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)))) ↔ ((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ ((𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)) ∧ (𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))))))
22	21	albii 1820	. . . . . 6 ⊢ (∀𝑤((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)))) ↔ ∀𝑤((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ ((𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)) ∧ (𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))))))
23	22	exbii 1848	. . . . 5 ⊢ (∃𝑧∀𝑤((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)))) ↔ ∃𝑧∀𝑤((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ ((𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)) ∧ (𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))))))
24	1, 23	mpbi 232	. . . 4 ⊢ ∃𝑧∀𝑤((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ ((𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)) ∧ (𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵))))))
25		imdi 393	. . . . . . . 8 ⊢ ((𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵))) ↔ ((𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)) → (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵))))
26		pm3.35 801	. . . . . . . 8 ⊢ (((𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)) ∧ ((𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)) → (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))) → (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))
27	25, 26	sylan2b 595	. . . . . . 7 ⊢ (((𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)) ∧ (𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))) → (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))
28	27	anim2i 618	. . . . . 6 ⊢ ((𝑧 ∈ 𝐶 ∧ ((𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)) ∧ (𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵))))) → (𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵))))
29	28	imim2i 16	. . . . 5 ⊢ (((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ ((𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)) ∧ (𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))))) → ((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))))
30	29	alimi 1812	. . . 4 ⊢ (∀𝑤((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ ((𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶)) ∧ (𝜃 → ((𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐶) → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))))) → ∀𝑤((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))))
31	24, 30	bnj101 31995	. . 3 ⊢ ∃𝑧∀𝑤((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵))))
32		ancl 547	. . . . 5 ⊢ (((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))) → ((𝜑 ∧ 𝜓) → ((𝜑 ∧ 𝜓) ∧ (𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵))))))
33		bnj256 31978	. . . . 5 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵))) ↔ ((𝜑 ∧ 𝜓) ∧ (𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))))
34	32, 33	syl6ibr 254	. . . 4 ⊢ (((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))) → ((𝜑 ∧ 𝜓) → (𝜑 ∧ 𝜓 ∧ 𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))))
35	34	alimi 1812	. . 3 ⊢ (∀𝑤((𝜑 ∧ 𝜓) → (𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))) → ∀𝑤((𝜑 ∧ 𝜓) → (𝜑 ∧ 𝜓 ∧ 𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))))
36	31, 35	bnj101 31995	. 2 ⊢ ∃𝑧∀𝑤((𝜑 ∧ 𝜓) → (𝜑 ∧ 𝜓 ∧ 𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵))))
37		df-bnj17 31959	. . . . 5 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵))) ↔ ((𝜑 ∧ 𝜓 ∧ 𝑧 ∈ 𝐶) ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵))))
38	37	imbi2i 338	. . . 4 ⊢ (((𝜑 ∧ 𝜓) → (𝜑 ∧ 𝜓 ∧ 𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))) ↔ ((𝜑 ∧ 𝜓) → ((𝜑 ∧ 𝜓 ∧ 𝑧 ∈ 𝐶) ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))))
39	38	albii 1820	. . 3 ⊢ (∀𝑤((𝜑 ∧ 𝜓) → (𝜑 ∧ 𝜓 ∧ 𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))) ↔ ∀𝑤((𝜑 ∧ 𝜓) → ((𝜑 ∧ 𝜓 ∧ 𝑧 ∈ 𝐶) ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))))
40	39	exbii 1848	. 2 ⊢ (∃𝑧∀𝑤((𝜑 ∧ 𝜓) → (𝜑 ∧ 𝜓 ∧ 𝑧 ∈ 𝐶 ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))) ↔ ∃𝑧∀𝑤((𝜑 ∧ 𝜓) → ((𝜑 ∧ 𝜓 ∧ 𝑧 ∈ 𝐶) ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵)))))
41	36, 40	mpbi 232	1 ⊢ ∃𝑧∀𝑤((𝜑 ∧ 𝜓) → ((𝜑 ∧ 𝜓 ∧ 𝑧 ∈ 𝐶) ∧ (𝜃 → (𝑤𝑅𝑧 → ¬ 𝑤 ∈ 𝐵))))

Syntax hints:  ¬ wn 3   → wi 4   ∧ wa 398   ∨ wo 843   ∧ w3a 1083  ∀wal 1535   = wceq 1537  ∃wex 1780   ∈ wcel 2114   ∩ cin 3937   class class class wbr 5068   ∧ w-bnj17 31958   trClc-bnj18 31966

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2795

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-clab 2802  df-cleq 2816  df-clel 2895  df-nfc 2965  df-v 3498  df-in 3945  df-bnj17 31959

This theorem is referenced by:  bnj1190  32282