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Mirrors > Home > ILE Home > Th. List > ee4anv | Unicode version |
Description: Rearrange existential quantifiers. (Contributed by NM, 31-Jul-1995.) |
Ref | Expression |
---|---|
ee4anv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | excom 1664 |
. . 3
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2 | 1 | exbii 1605 |
. 2
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3 | eeanv 1932 |
. . 3
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4 | 3 | 2exbii 1606 |
. 2
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5 | eeanv 1932 |
. 2
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6 | 2, 4, 5 | 3bitri 206 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-4 1510 ax-17 1526 ax-ial 1534 |
This theorem depends on definitions: df-bi 117 df-nf 1461 |
This theorem is referenced by: ee8anv 1935 cgsex4g 2776 th3qlem1 6639 dmaddpq 7380 dmmulpq 7381 ltdcnq 7398 enq0ref 7434 nqpnq0nq 7454 nqnq0a 7455 nqnq0m 7456 genpdisj 7524 axaddcl 7865 axmulcl 7867 |
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