| Mathbox for Anthony Hart |
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Related theorems Unicode version |
| Description: Lemma for renicax 14164. |
| Ref | Expression |
|---|---|
| lukshefth2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lukshef-ax1 14161 |
. . . 4
| |
| 2 | lukshef-ax1 14161 |
. . . 4
| |
| 3 | 1, 2 | nic-mp 1237 |
. . 3
|
| 4 | lukshefth1 14162 |
. . . 4
| |
| 5 | lukshef-ax1 14161 |
. . . . 5
| |
| 6 | lukshef-ax1 14161 |
. . . . 5
| |
| 7 | 5, 6 | nic-mp 1237 |
. . . 4
|
| 8 | 4, 7 | nic-mp 1237 |
. . 3
|
| 9 | 3, 8 | nic-mp 1237 |
. 2
|
| 10 | lukshef-ax1 14161 |
. 2
| |
| 11 | 9, 10 | nic-mp 1237 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: renicax 14164 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 |
| This theorem depends on definitions: df-bi 164 df-an 242 df-nand 1230 |