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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 115 | 
. 2
 | 
| 3 | 2 | reximdvai 2597 | 
1
 | 
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