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Mirrors > Home > ILE Home > Th. List > alinexa | Unicode version |
Description: A transformation of quantifiers and logical connectives. (Contributed by NM, 19-Aug-1993.) |
Ref | Expression |
---|---|
alinexa |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | imnan 691 |
. . 3
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2 | 1 | albii 1481 |
. 2
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3 | alnex 1510 |
. 2
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4 | 2, 3 | bitri 184 |
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-in1 615 ax-in2 616 ax-5 1458 ax-gen 1460 ax-ie2 1505 |
This theorem depends on definitions: df-bi 117 df-tru 1367 df-fal 1370 |
This theorem is referenced by: sbnv 1900 ralnex 2478 |
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