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Mirrors > Home > ILE Home > Th. List > rexbid | Unicode version |
Description: Formula-building rule for restricted existential quantifier (deduction form). (Contributed by NM, 27-Jun-1998.) |
Ref | Expression |
---|---|
ralbid.1 |
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ralbid.2 |
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Ref | Expression |
---|---|
rexbid |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ralbid.1 |
. 2
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2 | ralbid.2 |
. . 3
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3 | 2 | adantr 274 |
. 2
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4 | 1, 3 | rexbida 2433 |
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 105 ax-ia2 106 ax-ia3 107 ax-5 1424 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-4 1488 ax-ial 1515 |
This theorem depends on definitions: df-bi 116 df-nf 1438 df-rex 2423 |
This theorem is referenced by: rexbidv 2439 sbcrext 2990 mkvprop 7040 caucvgsrlemgt1 7627 bezout 11735 |
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