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Mirrors > Home > ILE Home > Th. List > sucon | Unicode version |
Description: The class of all ordinal numbers is its own successor. (Contributed by NM, 12-Sep-2003.) |
Ref | Expression |
---|---|
sucon |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | onprc 4526 | . 2 | |
2 | sucprc 4387 | . 2 | |
3 | 1, 2 | ax-mp 5 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wceq 1342 wcel 2135 cvv 2724 con0 4338 csuc 4340 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-8 1491 ax-10 1492 ax-11 1493 ax-i12 1494 ax-bndl 1496 ax-4 1497 ax-17 1513 ax-i9 1517 ax-ial 1521 ax-i5r 1522 ax-ext 2146 ax-setind 4511 |
This theorem depends on definitions: df-bi 116 df-3an 969 df-tru 1345 df-fal 1348 df-nf 1448 df-sb 1750 df-clab 2151 df-cleq 2157 df-clel 2160 df-nfc 2295 df-ne 2335 df-ral 2447 df-rex 2448 df-v 2726 df-dif 3116 df-un 3118 df-in 3120 df-ss 3127 df-nul 3408 df-sn 3579 df-uni 3787 df-tr 4078 df-iord 4341 df-on 4343 df-suc 4346 |
This theorem is referenced by: (None) |
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