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Mirrors > Home > MPE Home > Th. List > exbidv | Structured version Visualization version Unicode version |
Description: Formula-building rule for existential quantifier (deduction rule). (Contributed by NM, 26-May-1993.) |
Ref | Expression |
---|---|
albidv.1 |
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Ref | Expression |
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exbidv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-5 1839 |
. 2
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2 | albidv.1 |
. 2
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3 | 1, 2 | exbidh 1794 |
1
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