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Mirrors > Home > ILE Home > Th. List > reximdva | Unicode version |
Description: Deduction quantifying both antecedent and consequent, based on Theorem 19.22 of [Margaris] p. 90. (Contributed by NM, 22-May-1999.) |
Ref | Expression |
---|---|
reximdva.1 |
Ref | Expression |
---|---|
reximdva |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reximdva.1 | . . 3 | |
2 | 1 | ex 114 | . 2 |
3 | 2 | reximdvai 2570 | 1 |
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