Proof of Theorem cvrat2
Step | Hyp | Ref
| Expression |
1 | | cvrat2.b |
. . . . . . . . 9
⊢ 𝐵 = (Base‘𝐾) |
2 | | cvrat2.j |
. . . . . . . . 9
⊢ ∨ =
(join‘𝐾) |
3 | | eqid 2738 |
. . . . . . . . 9
⊢
(0.‘𝐾) =
(0.‘𝐾) |
4 | | cvrat2.c |
. . . . . . . . 9
⊢ 𝐶 = ( ⋖ ‘𝐾) |
5 | | cvrat2.a |
. . . . . . . . 9
⊢ 𝐴 = (Atoms‘𝐾) |
6 | 1, 2, 3, 4, 5 | atcvrj0 37442 |
. . . . . . . 8
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ 𝑋𝐶(𝑃 ∨ 𝑄)) → (𝑋 = (0.‘𝐾) ↔ 𝑃 = 𝑄)) |
7 | 6 | 3expa 1117 |
. . . . . . 7
⊢ (((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) ∧ 𝑋𝐶(𝑃 ∨ 𝑄)) → (𝑋 = (0.‘𝐾) ↔ 𝑃 = 𝑄)) |
8 | 7 | necon3bid 2988 |
. . . . . 6
⊢ (((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) ∧ 𝑋𝐶(𝑃 ∨ 𝑄)) → (𝑋 ≠ (0.‘𝐾) ↔ 𝑃 ≠ 𝑄)) |
9 | | simpl 483 |
. . . . . . . . 9
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → 𝐾 ∈ HL) |
10 | | simpr1 1193 |
. . . . . . . . 9
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → 𝑋 ∈ 𝐵) |
11 | | hllat 37377 |
. . . . . . . . . . 11
⊢ (𝐾 ∈ HL → 𝐾 ∈ Lat) |
12 | 11 | adantr 481 |
. . . . . . . . . 10
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → 𝐾 ∈ Lat) |
13 | | simpr2 1194 |
. . . . . . . . . . 11
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → 𝑃 ∈ 𝐴) |
14 | 1, 5 | atbase 37303 |
. . . . . . . . . . 11
⊢ (𝑃 ∈ 𝐴 → 𝑃 ∈ 𝐵) |
15 | 13, 14 | syl 17 |
. . . . . . . . . 10
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → 𝑃 ∈ 𝐵) |
16 | | simpr3 1195 |
. . . . . . . . . . 11
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → 𝑄 ∈ 𝐴) |
17 | 1, 5 | atbase 37303 |
. . . . . . . . . . 11
⊢ (𝑄 ∈ 𝐴 → 𝑄 ∈ 𝐵) |
18 | 16, 17 | syl 17 |
. . . . . . . . . 10
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → 𝑄 ∈ 𝐵) |
19 | 1, 2 | latjcl 18157 |
. . . . . . . . . 10
⊢ ((𝐾 ∈ Lat ∧ 𝑃 ∈ 𝐵 ∧ 𝑄 ∈ 𝐵) → (𝑃 ∨ 𝑄) ∈ 𝐵) |
20 | 12, 15, 18, 19 | syl3anc 1370 |
. . . . . . . . 9
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → (𝑃 ∨ 𝑄) ∈ 𝐵) |
21 | | eqid 2738 |
. . . . . . . . . . 11
⊢
(lt‘𝐾) =
(lt‘𝐾) |
22 | 1, 21, 4 | cvrlt 37284 |
. . . . . . . . . 10
⊢ (((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ (𝑃 ∨ 𝑄) ∈ 𝐵) ∧ 𝑋𝐶(𝑃 ∨ 𝑄)) → 𝑋(lt‘𝐾)(𝑃 ∨ 𝑄)) |
23 | 22 | ex 413 |
. . . . . . . . 9
⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ (𝑃 ∨ 𝑄) ∈ 𝐵) → (𝑋𝐶(𝑃 ∨ 𝑄) → 𝑋(lt‘𝐾)(𝑃 ∨ 𝑄))) |
24 | 9, 10, 20, 23 | syl3anc 1370 |
. . . . . . . 8
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → (𝑋𝐶(𝑃 ∨ 𝑄) → 𝑋(lt‘𝐾)(𝑃 ∨ 𝑄))) |
25 | 1, 21, 2, 3, 5 | cvrat 37436 |
. . . . . . . . 9
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → ((𝑋 ≠ (0.‘𝐾) ∧ 𝑋(lt‘𝐾)(𝑃 ∨ 𝑄)) → 𝑋 ∈ 𝐴)) |
26 | 25 | expcomd 417 |
. . . . . . . 8
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → (𝑋(lt‘𝐾)(𝑃 ∨ 𝑄) → (𝑋 ≠ (0.‘𝐾) → 𝑋 ∈ 𝐴))) |
27 | 24, 26 | syld 47 |
. . . . . . 7
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → (𝑋𝐶(𝑃 ∨ 𝑄) → (𝑋 ≠ (0.‘𝐾) → 𝑋 ∈ 𝐴))) |
28 | 27 | imp 407 |
. . . . . 6
⊢ (((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) ∧ 𝑋𝐶(𝑃 ∨ 𝑄)) → (𝑋 ≠ (0.‘𝐾) → 𝑋 ∈ 𝐴)) |
29 | 8, 28 | sylbird 259 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) ∧ 𝑋𝐶(𝑃 ∨ 𝑄)) → (𝑃 ≠ 𝑄 → 𝑋 ∈ 𝐴)) |
30 | 29 | ex 413 |
. . . 4
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → (𝑋𝐶(𝑃 ∨ 𝑄) → (𝑃 ≠ 𝑄 → 𝑋 ∈ 𝐴))) |
31 | 30 | com23 86 |
. . 3
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → (𝑃 ≠ 𝑄 → (𝑋𝐶(𝑃 ∨ 𝑄) → 𝑋 ∈ 𝐴))) |
32 | 31 | impd 411 |
. 2
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴)) → ((𝑃 ≠ 𝑄 ∧ 𝑋𝐶(𝑃 ∨ 𝑄)) → 𝑋 ∈ 𝐴)) |
33 | 32 | 3impia 1116 |
1
⊢ ((𝐾 ∈ HL ∧ (𝑋 ∈ 𝐵 ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) ∧ (𝑃 ≠ 𝑄 ∧ 𝑋𝐶(𝑃 ∨ 𝑄))) → 𝑋 ∈ 𝐴) |