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Mirrors > Home > ILE Home > Th. List > rexbidv2 | Unicode version |
Description: Formula-building rule for restricted existential quantifier (deduction form). (Contributed by NM, 22-May-1999.) |
Ref | Expression |
---|---|
rexbidv2.1 |
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Ref | Expression |
---|---|
rexbidv2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rexbidv2.1 |
. . 3
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2 | 1 | exbidv 1825 |
. 2
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3 | df-rex 2461 |
. 2
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4 | df-rex 2461 |
. 2
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5 | 2, 3, 4 | 3bitr4g 223 |
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-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-rex 2461 |
This theorem is referenced by: rexss 3222 rexsupp 5640 isoini 5818 elfi2 6970 ltexpi 7335 rexuz 9578 sscoll2 14622 |
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