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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 1594 |
. . 3
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2 | 1 | exbii 1536 |
. 2
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3 | eeanv 1848 |
. . 3
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4 | 3 | 2exbii 1537 |
. 2
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5 | eeanv 1848 |
. 2
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6 | 2, 4, 5 | 3bitri 204 |
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 104 ax-ia2 105 ax-ia3 106 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-4 1440 ax-17 1459 ax-ial 1467 |
This theorem depends on definitions: df-bi 115 df-nf 1390 |
This theorem is referenced by: ee8anv 1851 cgsex4g 2636 th3qlem1 6231 dmaddpq 6569 dmmulpq 6570 ltdcnq 6587 enq0ref 6623 nqpnq0nq 6643 nqnq0a 6644 nqnq0m 6645 genpdisj 6713 axaddcl 7032 axmulcl 7034 |
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