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Mirrors > Home > NFE 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 423 | . 2 |
3 | 2 | reximdvai 2724 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 358 wcel 1710 wrex 2615 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-3 7 ax-mp 8 ax-gen 1546 ax-5 1557 ax-17 1616 ax-9 1654 ax-8 1675 ax-11 1746 |
This theorem depends on definitions: df-bi 177 df-an 360 df-ex 1542 df-nf 1545 df-ral 2619 df-rex 2620 |
This theorem is referenced by: sfindbl 4530 dffo4 5423 weds 5938 nenpw1pwlem2 6085 nchoicelem19 6305 |
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