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| Mirrors > Home > ILE Home > Th. List > pp0ex | Unicode version | ||
| Description: |
| Ref | Expression |
|---|---|
| pp0ex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | p0ex 4272 |
. . 3
| |
| 2 | 1 | pwex 4267 |
. 2
|
| 3 | pwpw0ss 3883 |
. 2
| |
| 4 | 2, 3 | ssexi 4222 |
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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-nul 4210 ax-pow 4258 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-v 2801 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-nul 3492 df-pw 3651 df-sn 3672 df-pr 3673 |
| This theorem is referenced by: ord3ex 4274 ontr2exmid 4617 ordtri2or2exmidlem 4618 onsucelsucexmidlem 4621 regexmid 4627 reg2exmid 4628 reg3exmid 4672 nnregexmid 4713 acexmidlemcase 5996 acexmidlemv 5999 exmidpw2en 7074 exmidaclem 7390 |
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