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Mirrors > Home > ILE Home > Th. List > r2ex | Unicode version |
Description: Double restricted existential quantification. (Contributed by NM, 11-Nov-1995.) |
Ref | Expression |
---|---|
r2ex |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfcv 2279 | . 2 | |
2 | 1 | r2exf 2451 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wb 104 wex 1468 wcel 1480 wrex 2415 |
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 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 |
This theorem depends on definitions: df-bi 116 df-nf 1437 df-sb 1736 df-cleq 2130 df-clel 2133 df-nfc 2268 df-rex 2420 |
This theorem is referenced by: reean 2597 rexiunxp 4676 rnoprab2 5848 genprndl 7322 genprndu 7323 genpdisj 7324 prmuloc 7367 mullocpr 7372 axcnre 7682 |
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