cdlemg12d

	Ref	Expression
Hypotheses	cdlemg12.l	$⊢ \underset{˙}{\leq} = \leq_{K}$
	cdlemg12.j	$⊢ \underset{˙}{\lor} = join (K)$
	cdlemg12.m	$⊢ \underset{˙}{\land} = meet (K)$
	cdlemg12.a	$⊢ A = Atoms (K)$
	cdlemg12.h	$⊢ H = LHyp (K)$
	cdlemg12.t	$⊢ T = LTrn (K) (W)$
	cdlemg12b.r	$⊢ R = trL (K) (W)$
Assertion	cdlemg12d	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to R (G) \underset{˙}{\leq} (R (F) \underset{˙}{\lor} ((F (G (P)) \underset{˙}{\lor} P) \underset{˙}{\land} (F (G (Q)) \underset{˙}{\lor} Q)))$

Proof

Step	Hyp	Ref	Expression
1		cdlemg12.l	$⊢ \underset{˙}{\leq} = \leq_{K}$
2		cdlemg12.j	$⊢ \underset{˙}{\lor} = join (K)$
3		cdlemg12.m	$⊢ \underset{˙}{\land} = meet (K)$
4		cdlemg12.a	$⊢ A = Atoms (K)$
5		cdlemg12.h	$⊢ H = LHyp (K)$
6		cdlemg12.t	$⊢ T = LTrn (K) (W)$
7		cdlemg12b.r	$⊢ R = trL (K) (W)$
8		simp11	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to (K \in HL \land W \in H)$
9		simp12	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to (P \in A \land \neg P \underset{˙}{\leq} W)$
10		simp13	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to (Q \in A \land \neg Q \underset{˙}{\leq} W)$
11		simp2l	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to F \in T$
12		simp2r	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to G \in T$
13		simp31	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to P \neq Q$
14		simp33	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q)$
15	1 2 3 4 5 6 7	cdlemg12c	$⊢ ((K \in HL \land W \in H) \land ((P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W) \land F \in T) \land (G \in T \land P \neq Q \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to ((P \underset{˙}{\lor} G (P)) \underset{˙}{\land} (Q \underset{˙}{\lor} G (Q))) \underset{˙}{\leq} (((G (P) \underset{˙}{\lor} F (G (P))) \underset{˙}{\land} (G (Q) \underset{˙}{\lor} F (G (Q)))) \underset{˙}{\lor} ((F (G (P)) \underset{˙}{\lor} P) \underset{˙}{\land} (F (G (Q)) \underset{˙}{\lor} Q)))$
16	8 9 10 11 12 13 14 15	syl133anc	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to ((P \underset{˙}{\lor} G (P)) \underset{˙}{\land} (Q \underset{˙}{\lor} G (Q))) \underset{˙}{\leq} (((G (P) \underset{˙}{\lor} F (G (P))) \underset{˙}{\land} (G (Q) \underset{˙}{\lor} F (G (Q)))) \underset{˙}{\lor} ((F (G (P)) \underset{˙}{\lor} P) \underset{˙}{\land} (F (G (Q)) \underset{˙}{\lor} Q)))$
17	1 2 3 4 5 6 7	trlval4	$⊢ ((K \in HL \land W \in H) \land (G \in T \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (P \neq Q \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to R (G) = (P \underset{˙}{\lor} G (P)) \underset{˙}{\land} (Q \underset{˙}{\lor} G (Q))$
18	8 12 9 10 13 14 17	syl132anc	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to R (G) = (P \underset{˙}{\lor} G (P)) \underset{˙}{\land} (Q \underset{˙}{\lor} G (Q))$
19	1 4 5 6	ltrnel	$⊢ ((K \in HL \land W \in H) \land G \in T \land (P \in A \land \neg P \underset{˙}{\leq} W)) \to (G (P) \in A \land \neg G (P) \underset{˙}{\leq} W)$
20	8 12 9 19	syl3anc	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to (G (P) \in A \land \neg G (P) \underset{˙}{\leq} W)$
21	1 4 5 6	ltrnel	$⊢ ((K \in HL \land W \in H) \land G \in T \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \to (G (Q) \in A \land \neg G (Q) \underset{˙}{\leq} W)$
22	8 12 10 21	syl3anc	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to (G (Q) \in A \land \neg G (Q) \underset{˙}{\leq} W)$
23		simp12l	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to P \in A$
24		simp13l	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to Q \in A$
25	4 5 6	ltrn11at	$⊢ ((K \in HL \land W \in H) \land G \in T \land (P \in A \land Q \in A \land P \neq Q)) \to G (P) \neq G (Q)$
26	8 12 23 24 13 25	syl113anc	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to G (P) \neq G (Q)$
27		simp32	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q)$
28		simp2	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to (F \in T \land G \in T)$
29	1 2 3 4 5 6 7	cdlemg10c	$⊢ ((K \in HL \land W \in H) \land ((P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T)) \to (R (F) \underset{˙}{\leq} (G (P) \underset{˙}{\lor} G (Q)) \leftrightarrow R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))$
30	8 9 10 28 29	syl121anc	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to (R (F) \underset{˙}{\leq} (G (P) \underset{˙}{\lor} G (Q)) \leftrightarrow R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))$
31	27 30	mtbird	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to \neg R (F) \underset{˙}{\leq} (G (P) \underset{˙}{\lor} G (Q))$
32	1 2 3 4 5 6 7	trlval4	$⊢ ((K \in HL \land W \in H) \land (F \in T \land (G (P) \in A \land \neg G (P) \underset{˙}{\leq} W) \land (G (Q) \in A \land \neg G (Q) \underset{˙}{\leq} W)) \land (G (P) \neq G (Q) \land \neg R (F) \underset{˙}{\leq} (G (P) \underset{˙}{\lor} G (Q)))) \to R (F) = (G (P) \underset{˙}{\lor} F (G (P))) \underset{˙}{\land} (G (Q) \underset{˙}{\lor} F (G (Q)))$
33	8 11 20 22 26 31 32	syl132anc	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to R (F) = (G (P) \underset{˙}{\lor} F (G (P))) \underset{˙}{\land} (G (Q) \underset{˙}{\lor} F (G (Q)))$
34	33	oveq1d	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to R (F) \underset{˙}{\lor} ((F (G (P)) \underset{˙}{\lor} P) \underset{˙}{\land} (F (G (Q)) \underset{˙}{\lor} Q)) = ((G (P) \underset{˙}{\lor} F (G (P))) \underset{˙}{\land} (G (Q) \underset{˙}{\lor} F (G (Q)))) \underset{˙}{\lor} ((F (G (P)) \underset{˙}{\lor} P) \underset{˙}{\land} (F (G (Q)) \underset{˙}{\lor} Q))$
35	16 18 34	3brtr4d	$⊢ (((K \in HL \land W \in H) \land (P \in A \land \neg P \underset{˙}{\leq} W) \land (Q \in A \land \neg Q \underset{˙}{\leq} W)) \land (F \in T \land G \in T) \land (P \neq Q \land \neg R (F) \underset{˙}{\leq} (P \underset{˙}{\lor} Q) \land \neg R (G) \underset{˙}{\leq} (P \underset{˙}{\lor} Q))) \to R (G) \underset{˙}{\leq} (R (F) \underset{˙}{\lor} ((F (G (P)) \underset{˙}{\lor} P) \underset{˙}{\land} (F (G (Q)) \underset{˙}{\lor} Q)))$

Metamath Proof Explorer

Theorem cdlemg12d

Proof