Metamath Proof Explorer


Theorem cdlemg6b

Description: TODO: FIX COMMENT. TODO: replace with cdlemg4 . (Contributed by NM, 27-Apr-2013)

Ref Expression
Hypotheses cdlemg4.l ⊢ ≤ ˙ = ≤ K
cdlemg4.a ⊢ A = Atoms ⁡ K
cdlemg4.h ⊢ H = LHyp ⁡ K
cdlemg4.t ⊢ T = LTrn ⁡ K ⁡ W
cdlemg4.r ⊢ R = trL ⁡ K ⁡ W
cdlemg4.j ⊢ ∨ ˙ = join ⁡ K
cdlemg4b.v ⊢ V = R ⁡ G
Assertion cdlemg6b ⊢ K ∈ HL ∧ W ∈ H ∧ r ∈ A ∧ ¬ r ≤ ˙ W ∧ Q ∈ A ∧ ¬ Q ≤ ˙ W ∧ F ∈ T ∧ G ∈ T ∧ ¬ Q ≤ ˙ r ∨ ˙ V ∧ F ⁡ G ⁡ r = r → F ⁡ G ⁡ Q = Q

Proof

Step Hyp Ref Expression
1 cdlemg4.l ⊢ ≤ ˙ = ≤ K
2 cdlemg4.a ⊢ A = Atoms ⁡ K
3 cdlemg4.h ⊢ H = LHyp ⁡ K
4 cdlemg4.t ⊢ T = LTrn ⁡ K ⁡ W
5 cdlemg4.r ⊢ R = trL ⁡ K ⁡ W
6 cdlemg4.j ⊢ ∨ ˙ = join ⁡ K
7 cdlemg4b.v ⊢ V = R ⁡ G
8 1 2 3 4 5 6 7 cdlemg4 ⊢ K ∈ HL ∧ W ∈ H ∧ r ∈ A ∧ ¬ r ≤ ˙ W ∧ Q ∈ A ∧ ¬ Q ≤ ˙ W ∧ F ∈ T ∧ G ∈ T ∧ ¬ Q ≤ ˙ r ∨ ˙ V ∧ F ⁡ G ⁡ r = r → F ⁡ G ⁡ Q = Q