Proof of Theorem 3oalem6
| Step | Hyp | Ref
| Expression |
| 1 | | 3oa.2 |
. . . 4
⊢ B
∈ Cℋ |
| 2 | 1 | chshi 5132 |
. . 3
⊢ B
∈ Sℋ |
| 3 | | 3oa.4 |
. . . . . 6
⊢ R =
((⊥ ‘B) ∩ (B ∨ℋ A)) |
| 4 | 1 | chocl 5192 |
. . . . . . 7
⊢ (⊥ ‘B) ∈ Cℋ |
| 5 | | 3oa.1 |
. . . . . . . 8
⊢ A
∈ Cℋ |
| 6 | 1, 5 | chjcl 5379 |
. . . . . . 7
⊢ (B
∨ℋ A) ∈
Cℋ |
| 7 | 4, 6 | chincl 5382 |
. . . . . 6
⊢ ((⊥ ‘B) ∩ (B
∨ℋ A)) ∈
Cℋ |
| 8 | 3, 7 | eqeltr 1159 |
. . . . 5
⊢ R
∈ Cℋ |
| 9 | 8 | chshi 5132 |
. . . 4
⊢ R
∈ Sℋ |
| 10 | | 3oa.5 |
. . . . . . 7
⊢ S =
((⊥ ‘C) ∩ (C ∨ℋ A)) |
| 11 | | 3oa.3 |
. . . . . . . . 9
⊢ C
∈ Cℋ |
| 12 | 11 | chocl 5192 |
. . . . . . . 8
⊢ (⊥ ‘C) ∈ Cℋ |
| 13 | 11, 5 | chjcl 5379 |
. . . . . . . 8
⊢ (C
∨ℋ A) ∈
Cℋ |
| 14 | 12, 13 | chincl 5382 |
. . . . . . 7
⊢ ((⊥ ‘C) ∩ (C
∨ℋ A)) ∈
Cℋ |
| 15 | 10, 14 | eqeltr 1159 |
. . . . . 6
⊢ S
∈ Cℋ |
| 16 | 15 | chshi 5132 |
. . . . 5
⊢ S
∈ Sℋ |
| 17 | 11 | chshi 5132 |
. . . . . . 7
⊢ C
∈ Sℋ |
| 18 | 2, 17 | shscl 5282 |
. . . . . 6
⊢ (B
+ℋ C) ∈
Sℋ |
| 19 | 9, 16 | shscl 5282 |
. . . . . 6
⊢ (R
+ℋ S) ∈
Sℋ |
| 20 | 18, 19 | shincl 5332 |
. . . . 5
⊢ ((B
+ℋ C) ∩ (R +ℋ S)) ∈ Sℋ |
| 21 | 16, 20 | shscl 5282 |
. . . 4
⊢ (S
+ℋ ((B +ℋ
C) ∩ (R +ℋ S))) ∈ Sℋ |
| 22 | 9, 21 | shincl 5332 |
. . 3
⊢ (R
∩ (S +ℋ ((B +ℋ C) ∩ (R
+ℋ S)))) ∈
Sℋ |
| 23 | 2, 22 | shslej 5339 |
. 2
⊢ (B
+ℋ (R ∩ (S +ℋ ((B +ℋ C) ∩ (R
+ℋ S))))) ⊆
(B ∨ℋ (R ∩ (S
+ℋ ((B +ℋ
C) ∩ (R +ℋ S))))) |
| 24 | 16, 20 | shslej 5339 |
. . . . 5
⊢ (S
+ℋ ((B +ℋ
C) ∩ (R +ℋ S))) ⊆ (S
∨ℋ ((B
+ℋ C) ∩ (R +ℋ S))) |
| 25 | 1, 11 | chslej 5380 |
. . . . . . . 8
⊢ (B
+ℋ C) ⊆ (B ∨ℋ C) |
| 26 | | ssrin 1661 |
. . . . . . . 8
⊢ ((B
+ℋ C) ⊆ (B ∨ℋ C) → ((B
+ℋ C) ∩ (R +ℋ S)) ⊆ ((B
∨ℋ C) ∩ (R +ℋ S))) |
| 27 | 25, 26 | ax-mp 6 |
. . . . . . 7
⊢ ((B
+ℋ C) ∩ (R +ℋ S)) ⊆ ((B
∨ℋ C) ∩ (R +ℋ S)) |
| 28 | 8, 15 | chslej 5380 |
. . . . . . . 8
⊢ (R
+ℋ S) ⊆ (R ∨ℋ S) |
| 29 | | sslin 1662 |
. . . . . . . 8
⊢ ((R
+ℋ S) ⊆ (R ∨ℋ S) → ((B
∨ℋ C) ∩ (R +ℋ S)) ⊆ ((B
∨ℋ C) ∩ (R ∨ℋ S))) |
| 30 | 28, 29 | ax-mp 6 |
. . . . . . 7
⊢ ((B
∨ℋ C) ∩ (R +ℋ S)) ⊆ ((B
∨ℋ C) ∩ (R ∨ℋ S)) |
| 31 | 27, 30 | sstri 1512 |
. . . . . 6
⊢ ((B
+ℋ C) ∩ (R +ℋ S)) ⊆ ((B
∨ℋ C) ∩ (R ∨ℋ S)) |
| 32 | 1, 11 | chjcl 5379 |
. . . . . . . . 9
⊢ (B
∨ℋ C) ∈
Cℋ |
| 33 | 8, 15 | chjcl 5379 |
. . . . . . . . 9
⊢ (R
∨ℋ S) ∈
Cℋ |
| 34 | 32, 33 | chincl 5382 |
. . . . . . . 8
⊢ ((B
∨ℋ C) ∩ (R ∨ℋ S)) ∈ Cℋ |
| 35 | 34 | chshi 5132 |
. . . . . . 7
⊢ ((B
∨ℋ C) ∩ (R ∨ℋ S)) ∈ Sℋ |
| 36 | 20, 35, 16 | shlej2 5350 |
. . . . . 6
⊢ (((B
+ℋ C) ∩ (R +ℋ S)) ⊆ ((B
∨ℋ C) ∩ (R ∨ℋ S)) → (S
∨ℋ ((B
+ℋ C) ∩ (R +ℋ S))) ⊆ (S
∨ℋ ((B
∨ℋ C) ∩ (R ∨ℋ S)))) |
| 37 | 31, 36 | ax-mp 6 |
. . . . 5
⊢ (S
∨ℋ ((B
+ℋ C) ∩ (R +ℋ S))) ⊆ (S
∨ℋ ((B
∨ℋ C) ∩ (R ∨ℋ S))) |
| 38 | 24, 37 | sstri 1512 |
. . . 4
⊢ (S
+ℋ ((B +ℋ
C) ∩ (R +ℋ S))) ⊆ (S
∨ℋ ((B
∨ℋ C) ∩ (R ∨ℋ S))) |
| 39 | | sslin 1662 |
. . . 4
⊢ ((S
+ℋ ((B +ℋ
C) ∩ (R +ℋ S))) ⊆ (S
∨ℋ ((B
∨ℋ C) ∩ (R ∨ℋ S))) → (R
∩ (S +ℋ ((B +ℋ C) ∩ (R
+ℋ S)))) ⊆ (R ∩ (S
∨ℋ ((B
∨ℋ C) ∩ (R ∨ℋ S))))) |
| 40 | 38, 39 | ax-mp 6 |
. . 3
⊢ (R
∩ (S +ℋ ((B +ℋ C) ∩ (R
+ℋ S)))) ⊆ (R ∩ (S
∨ℋ ((B
∨ℋ C) ∩ (R ∨ℋ S)))) |
| 41 | 15, 34 | chjcl 5379 |
. . . . . 6
⊢ (S
∨ℋ ((B
∨ℋ C) ∩ (R ∨ℋ S))) ∈ Cℋ |
| 42 | 8, 41 | chincl 5382 |
. . . . 5
⊢ (R
∩ (S ∨ℋ ((B ∨ℋ C) ∩ (R
∨ℋ S)))) ∈
Cℋ |
| 43 | 42 | chshi 5132 |
. . . 4
⊢ (R
∩ (S ∨ℋ ((B ∨ℋ C) ∩ (R
∨ℋ S)))) ∈
Sℋ |
| 44 | 22, 43, 2 | shlej2 5350 |
. . 3
⊢ ((R
∩ (S +ℋ ((B +ℋ C) ∩ (R
+ℋ S)))) ⊆ (R ∩ (S
∨ℋ ((B
∨ℋ C) ∩ (R ∨ℋ S)))) → (B
∨ℋ (R ∩ (S +ℋ ((B +ℋ C) ∩ (R
+ℋ S))))) ⊆
(B ∨ℋ (R ∩ (S
∨ℋ ((B
∨ℋ C) ∩ (R ∨ℋ S)))))) |
| 45 | 40, 44 | ax-mp 6 |
. 2
⊢ (B
∨ℋ (R ∩ (S +ℋ ((B +ℋ C) ∩ (R
+ℋ S))))) ⊆
(B ∨ℋ (R ∩ (S
∨ℋ ((B
∨ℋ C) ∩ (R ∨ℋ S))))) |
| 46 | 23, 45 | sstri 1512 |
1
⊢ (B
+ℋ (R ∩ (S +ℋ ((B +ℋ C) ∩ (R
+ℋ S))))) ⊆
(B ∨ℋ (R ∩ (S
∨ℋ ((B
∨ℋ C) ∩ (R ∨ℋ S))))) |