| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > fprg | Unicode version | ||
| Description: A function with a domain of two elements. (Contributed by FL, 2-Feb-2014.) |
| Ref | Expression |
|---|---|
| fprg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fnprg 5431 |
. 2
| |
| 2 | rnsnopg 5261 |
. . . . . . 7
| |
| 3 | 2 | adantr 276 |
. . . . . 6
|
| 4 | 3 | 3ad2ant1 1049 |
. . . . 5
|
| 5 | rnsnopg 5261 |
. . . . . . 7
| |
| 6 | 5 | adantl 277 |
. . . . . 6
|
| 7 | 6 | 3ad2ant1 1049 |
. . . . 5
|
| 8 | 4, 7 | uneq12d 3384 |
. . . 4
|
| 9 | df-pr 3712 |
. . . . . 6
| |
| 10 | 9 | rneqi 5005 |
. . . . 5
|
| 11 | rnun 5191 |
. . . . 5
| |
| 12 | 10, 11 | eqtri 2259 |
. . . 4
|
| 13 | df-pr 3712 |
. . . 4
| |
| 14 | 8, 12, 13 | 3eqtr4g 2296 |
. . 3
|
| 15 | eqimss 3302 |
. . 3
| |
| 16 | 14, 15 | syl 14 |
. 2
|
| 17 | df-f 5376 |
. 2
| |
| 18 | 1, 16, 17 | sylanbrc 421 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-v 2823 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-br 4126 df-opab 4188 df-id 4433 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-fun 5374 df-fn 5375 df-f 5376 |
| This theorem is referenced by: ftpg 5890 |
| Copyright terms: Public domain | W3C validator |