| Quantum Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > QLE Home > Th. List > u2lemana | Unicode version | ||
| Description: Lemma for Dishkant implication study. |
| Ref | Expression |
|---|---|
| u2lemana |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-i2 45 |
. . 3
| |
| 2 | 1 | ran 78 |
. 2
|
| 3 | ax-a2 31 |
. . . 4
| |
| 4 | 3 | ran 78 |
. . 3
|
| 5 | coman1 185 |
. . . . 5
| |
| 6 | coman2 186 |
. . . . . 6
| |
| 7 | 6 | comcom7 460 |
. . . . 5
|
| 8 | 5, 7 | fh2r 474 |
. . . 4
|
| 9 | an32 83 |
. . . . . . 7
| |
| 10 | anidm 111 |
. . . . . . . 8
| |
| 11 | 10 | ran 78 |
. . . . . . 7
|
| 12 | 9, 11 | ax-r2 36 |
. . . . . 6
|
| 13 | ancom 74 |
. . . . . 6
| |
| 14 | 12, 13 | 2or 72 |
. . . . 5
|
| 15 | ax-a2 31 |
. . . . 5
| |
| 16 | 14, 15 | ax-r2 36 |
. . . 4
|
| 17 | 8, 16 | ax-r2 36 |
. . 3
|
| 18 | 4, 17 | ax-r2 36 |
. 2
|
| 19 | 2, 18 | ax-r2 36 |
1
|
| Colors of variables: term |
| Syntax hints: |
| This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-a3 32 ax-a4 33 ax-a5 34 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 ax-r3 439 |
| This theorem depends on definitions: df-b 39 df-a 40 df-t 41 df-f 42 df-i2 45 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
| This theorem is referenced by: u2lemnoa 661 |
| Copyright terms: Public domain | W3C validator |