| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > recclnq | Unicode version | ||
| Description: Closure law for positive fraction reciprocal. (Contributed by NM, 6-Mar-1996.) (Revised by Mario Carneiro, 8-May-2013.) |
| Ref | Expression |
|---|---|
| recclnq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | recexnq 7474 |
. 2
| |
| 2 | recmulnqg 7475 |
. . . . . 6
| |
| 3 | 2 | biimpar 297 |
. . . . 5
|
| 4 | eleq1a 2268 |
. . . . . 6
| |
| 5 | 4 | ad2antlr 489 |
. . . . 5
|
| 6 | 3, 5 | mpd 13 |
. . . 4
|
| 7 | 6 | expl 378 |
. . 3
|
| 8 | 7 | exlimdv 1833 |
. 2
|
| 9 | 1, 8 | mpd 13 |
1
|
| Copyright terms: Public domain | W3C validator |