cdlemk15

Description: Part of proof of Lemma K of Crawley p. 118. Line 21 on p. 119. O , D are k_1, f_1. (Contributed by NM, 1-Jul-2013)

	Ref	Expression
Hypotheses	cdlemk1.b	$⊢ B = {Base}_{K}$
	cdlemk1.l	$⊢ \underset{˙}{\leq} = \leq_{K}$
	cdlemk1.j	$⊢ \underset{˙}{\lor} = join (K)$
	cdlemk1.m	$⊢ \underset{˙}{\land} = meet (K)$
	cdlemk1.a	$⊢ A = Atoms (K)$
	cdlemk1.h	$⊢ H = LHyp (K)$
	cdlemk1.t	$⊢ T = LTrn (K) (W)$
	cdlemk1.r	$⊢ R = trL (K) (W)$
	cdlemk1.s	$⊢ S = (f \in T ⟼ (ι i \in T \| i (P) = (P \underset{˙}{\lor} R (f)) \underset{˙}{\land} (N (P) \underset{˙}{\lor} R (f \circ F^{-1}))))$
	cdlemk1.o	$⊢ O = S (D)$
Assertion	cdlemk15	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to N (P) \underset{˙}{\leq} ((P \underset{˙}{\lor} R (F)) \underset{˙}{\land} (O (P) \underset{˙}{\lor} R (F \circ D^{-1})))$

Proof

Step	Hyp	Ref	Expression
1		cdlemk1.b	$⊢ B = {Base}_{K}$
2		cdlemk1.l	$⊢ \underset{˙}{\leq} = \leq_{K}$
3		cdlemk1.j	$⊢ \underset{˙}{\lor} = join (K)$
4		cdlemk1.m	$⊢ \underset{˙}{\land} = meet (K)$
5		cdlemk1.a	$⊢ A = Atoms (K)$
6		cdlemk1.h	$⊢ H = LHyp (K)$
7		cdlemk1.t	$⊢ T = LTrn (K) (W)$
8		cdlemk1.r	$⊢ R = trL (K) (W)$
9		cdlemk1.s	$⊢ S = (f \in T ⟼ (ι i \in T \| i (P) = (P \underset{˙}{\lor} R (f)) \underset{˙}{\land} (N (P) \underset{˙}{\lor} R (f \circ F^{-1}))))$
10		cdlemk1.o	$⊢ O = S (D)$
11		simp11l	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to K \in HL$
12		simp22l	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to P \in A$
13		simp11	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to (K \in HL \land W \in H)$
14		simp21	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to N \in T$
15	2 5 6 7	ltrnat	$⊢ ((K \in HL \land W \in H) \land N \in T \land P \in A) \to N (P) \in A$
16	13 14 12 15	syl3anc	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to N (P) \in A$
17	2 3 5	hlatlej2	$⊢ (K \in HL \land P \in A \land N (P) \in A) \to N (P) \underset{˙}{\leq} (P \underset{˙}{\lor} N (P))$
18	11 12 16 17	syl3anc	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to N (P) \underset{˙}{\leq} (P \underset{˙}{\lor} N (P))$
19		simp23	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to R (F) = R (N)$
20	19	oveq2d	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to P \underset{˙}{\lor} R (F) = P \underset{˙}{\lor} R (N)$
21		simp22	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to (P \in A \land \neg P \underset{˙}{\leq} W)$
22	2 3 5 6 7 8	trljat1	$⊢ ((K \in HL \land W \in H) \land N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W)) \to P \underset{˙}{\lor} R (N) = P \underset{˙}{\lor} N (P)$
23	13 14 21 22	syl3anc	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to P \underset{˙}{\lor} R (N) = P \underset{˙}{\lor} N (P)$
24	20 23	eqtr2d	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to P \underset{˙}{\lor} N (P) = P \underset{˙}{\lor} R (F)$
25	18 24	breqtrd	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to N (P) \underset{˙}{\leq} (P \underset{˙}{\lor} R (F))$
26	1 2 3 4 5 6 7 8 9 10	cdlemk14	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to N (P) \underset{˙}{\leq} (O (P) \underset{˙}{\lor} R (F \circ D^{-1}))$
27	11	hllatd	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to K \in Lat$
28	1 5	atbase	$⊢ N (P) \in A \to N (P) \in B$
29	16 28	syl	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to N (P) \in B$
30		simp12	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to F \in T$
31		simp31	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to F \neq {I ↾}_{B}$
32	1 5 6 7 8	trlnidat	$⊢ ((K \in HL \land W \in H) \land F \in T \land F \neq {I ↾}_{B}) \to R (F) \in A$
33	13 30 31 32	syl3anc	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to R (F) \in A$
34	1 3 5	hlatjcl	$⊢ (K \in HL \land P \in A \land R (F) \in A) \to P \underset{˙}{\lor} R (F) \in B$
35	11 12 33 34	syl3anc	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to P \underset{˙}{\lor} R (F) \in B$
36	10	fveq1i	$⊢ O (P) = S (D) (P)$
37	1 2 3 5 6 7 8 4 9	cdlemksat	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to S (D) (P) \in A$
38	36 37	eqeltrid	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to O (P) \in A$
39		simp13	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to D \in T$
40		simp33	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to R (D) \neq R (F)$
41	40	necomd	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to R (F) \neq R (D)$
42	5 6 7 8	trlcocnvat	$⊢ ((K \in HL \land W \in H) \land (F \in T \land D \in T) \land R (F) \neq R (D)) \to R (F \circ D^{-1}) \in A$
43	13 30 39 41 42	syl121anc	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to R (F \circ D^{-1}) \in A$
44	1 3 5	hlatjcl	$⊢ (K \in HL \land O (P) \in A \land R (F \circ D^{-1}) \in A) \to O (P) \underset{˙}{\lor} R (F \circ D^{-1}) \in B$
45	11 38 43 44	syl3anc	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to O (P) \underset{˙}{\lor} R (F \circ D^{-1}) \in B$
46	1 2 4	latlem12	$⊢ (K \in Lat \land (N (P) \in B \land P \underset{˙}{\lor} R (F) \in B \land O (P) \underset{˙}{\lor} R (F \circ D^{-1}) \in B)) \to ((N (P) \underset{˙}{\leq} (P \underset{˙}{\lor} R (F)) \land N (P) \underset{˙}{\leq} (O (P) \underset{˙}{\lor} R (F \circ D^{-1}))) \leftrightarrow N (P) \underset{˙}{\leq} ((P \underset{˙}{\lor} R (F)) \underset{˙}{\land} (O (P) \underset{˙}{\lor} R (F \circ D^{-1}))))$
47	27 29 35 45 46	syl13anc	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to ((N (P) \underset{˙}{\leq} (P \underset{˙}{\lor} R (F)) \land N (P) \underset{˙}{\leq} (O (P) \underset{˙}{\lor} R (F \circ D^{-1}))) \leftrightarrow N (P) \underset{˙}{\leq} ((P \underset{˙}{\lor} R (F)) \underset{˙}{\land} (O (P) \underset{˙}{\lor} R (F \circ D^{-1}))))$
48	25 26 47	mpbi2and	$⊢ (((K \in HL \land W \in H) \land F \in T \land D \in T) \land (N \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land R (F) = R (N)) \land (F \neq {I ↾}_{B} \land D \neq {I ↾}_{B} \land R (D) \neq R (F))) \to N (P) \underset{˙}{\leq} ((P \underset{˙}{\lor} R (F)) \underset{˙}{\land} (O (P) \underset{˙}{\lor} R (F \circ D^{-1})))$

Metamath Proof Explorer

Theorem cdlemk15

Proof