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Mirrors > Home > ILE Home > Th. List > rexcom | Unicode version |
Description: Commutation of restricted quantifiers. (Contributed by NM, 19-Nov-1995.) (Revised by Mario Carneiro, 14-Oct-2016.) |
Ref | Expression |
---|---|
rexcom |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfcv 2229 |
. 2
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2 | nfcv 2229 |
. 2
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3 | 1, 2 | rexcomf 2530 |
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 105 ax-ia2 106 ax-ia3 107 ax-io 666 ax-5 1382 ax-7 1383 ax-gen 1384 ax-ie1 1428 ax-ie2 1429 ax-8 1441 ax-10 1442 ax-11 1443 ax-i12 1444 ax-bndl 1445 ax-4 1446 ax-17 1465 ax-i9 1469 ax-ial 1473 ax-i5r 1474 ax-ext 2071 |
This theorem depends on definitions: df-bi 116 df-nf 1396 df-sb 1694 df-cleq 2082 df-clel 2085 df-nfc 2218 df-rex 2366 |
This theorem is referenced by: rexcom13 2533 rexcom4 2643 iuncom 3742 xpiundi 4509 addcomprg 7198 mulcomprg 7200 ltexprlemm 7220 caucvgprprlemexbt 7326 qmulz 9169 caubnd2 10611 sqrt2irr 11480 |
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