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Mirrors > Home > ILE Home > Th. List > supex2g | Unicode version |
Description: Existence of supremum. (Contributed by Jeff Madsen, 2-Sep-2009.) |
Ref | Expression |
---|---|
supex2g |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-sup 6945 | . 2 | |
2 | rabexg 4124 | . . 3 | |
3 | 2 | uniexd 4417 | . 2 |
4 | 1, 3 | eqeltrid 2252 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 103 wcel 2136 wral 2443 wrex 2444 crab 2447 cvv 2725 cuni 3788 class class class wbr 3981 csup 6943 |
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-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-sep 4099 ax-un 4410 |
This theorem depends on definitions: df-bi 116 df-tru 1346 df-nf 1449 df-sb 1751 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2296 df-rex 2449 df-rab 2452 df-v 2727 df-in 3121 df-ss 3128 df-uni 3789 df-sup 6945 |
This theorem is referenced by: infex2g 6995 pczpre 12225 |
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