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Mirrors > Home > ILE Home > Th. List > pp0ex | Unicode version |
Description: ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
pp0ex |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | p0ex 3959 |
. . 3
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2 | 1 | pwex 3953 |
. 2
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3 | pwpw0ss 3596 |
. 2
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4 | 2, 3 | ssexi 3916 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-sep 3896 ax-nul 3904 ax-pow 3948 |
This theorem depends on definitions: df-bi 115 df-tru 1287 df-nf 1390 df-sb 1686 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-v 2603 df-dif 2975 df-un 2977 df-in 2979 df-ss 2986 df-nul 3252 df-pw 3384 df-sn 3404 df-pr 3405 |
This theorem is referenced by: ord3ex 3961 ontr2exmid 4268 ordtri2or2exmidlem 4269 onsucelsucexmidlem 4272 regexmid 4278 reg2exmid 4279 reg3exmid 4322 nnregexmid 4360 acexmidlemcase 5527 acexmidlemv 5530 |
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