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| Mirrors > Home > ILE Home > Th. List > fun11 | Unicode version | ||
| Description: Two ways of stating that
|
| Ref | Expression |
|---|---|
| fun11 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dfbi2 388 |
. . . . . . . 8
| |
| 2 | 1 | imbi2i 226 |
. . . . . . 7
|
| 3 | pm4.76 604 |
. . . . . . 7
| |
| 4 | bi2.04 248 |
. . . . . . . 8
| |
| 5 | bi2.04 248 |
. . . . . . . 8
| |
| 6 | 4, 5 | anbi12i 460 |
. . . . . . 7
|
| 7 | 2, 3, 6 | 3bitr2i 208 |
. . . . . 6
|
| 8 | 7 | 2albii 1495 |
. . . . 5
|
| 9 | 19.26-2 1506 |
. . . . 5
| |
| 10 | alcom 1502 |
. . . . . . 7
| |
| 11 | nfv 1552 |
. . . . . . . . 9
| |
| 12 | breq1 4062 |
. . . . . . . . . . 11
| |
| 13 | 12 | anbi1d 465 |
. . . . . . . . . 10
|
| 14 | 13 | imbi1d 231 |
. . . . . . . . 9
|
| 15 | 11, 14 | equsal 1751 |
. . . . . . . 8
|
| 16 | 15 | albii 1494 |
. . . . . . 7
|
| 17 | 10, 16 | bitri 184 |
. . . . . 6
|
| 18 | nfv 1552 |
. . . . . . . 8
| |
| 19 | breq2 4063 |
. . . . . . . . . 10
| |
| 20 | 19 | anbi1d 465 |
. . . . . . . . 9
|
| 21 | 20 | imbi1d 231 |
. . . . . . . 8
|
| 22 | 18, 21 | equsal 1751 |
. . . . . . 7
|
| 23 | 22 | albii 1494 |
. . . . . 6
|
| 24 | 17, 23 | anbi12i 460 |
. . . . 5
|
| 25 | 8, 9, 24 | 3bitri 206 |
. . . 4
|
| 26 | 25 | 2albii 1495 |
. . 3
|
| 27 | 19.26-2 1506 |
. . 3
| |
| 28 | 26, 27 | bitr2i 185 |
. 2
|
| 29 | fun2cnv 5357 |
. . . 4
| |
| 30 | breq2 4063 |
. . . . . 6
| |
| 31 | 30 | mo4 2117 |
. . . . 5
|
| 32 | 31 | albii 1494 |
. . . 4
|
| 33 | alcom 1502 |
. . . . 5
| |
| 34 | 33 | albii 1494 |
. . . 4
|
| 35 | 29, 32, 34 | 3bitri 206 |
. . 3
|
| 36 | funcnv2 5353 |
. . . 4
| |
| 37 | breq1 4062 |
. . . . . 6
| |
| 38 | 37 | mo4 2117 |
. . . . 5
|
| 39 | 38 | albii 1494 |
. . . 4
|
| 40 | alcom 1502 |
. . . . . 6
| |
| 41 | 40 | albii 1494 |
. . . . 5
|
| 42 | alcom 1502 |
. . . . 5
| |
| 43 | 41, 42 | bitri 184 |
. . . 4
|
| 44 | 36, 39, 43 | 3bitri 206 |
. . 3
|
| 45 | 35, 44 | anbi12i 460 |
. 2
|
| 46 | alrot4 1510 |
. 2
| |
| 47 | 28, 45, 46 | 3bitr4i 212 |
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-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-14 2181 ax-ext 2189 ax-sep 4178 ax-pow 4234 ax-pr 4269 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ral 2491 df-rex 2492 df-v 2778 df-un 3178 df-in 3180 df-ss 3187 df-pw 3628 df-sn 3649 df-pr 3650 df-op 3652 df-br 4060 df-opab 4122 df-id 4358 df-xp 4699 df-rel 4700 df-cnv 4701 df-co 4702 df-fun 5292 |
| This theorem is referenced by: (None) |
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