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Mirrors > Home > NFE Home > Th. List > reurex | Unicode version |
Description: Restricted unique existence implies restricted existence. (Contributed by NM, 19-Aug-1999.) |
Ref | Expression |
---|---|
reurex |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reu5 2825 |
. 2
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2 | 1 | simplbi 446 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1546 ax-5 1557 ax-17 1616 ax-9 1654 ax-8 1675 ax-6 1729 ax-7 1734 ax-11 1746 ax-12 1925 |
This theorem depends on definitions: df-bi 177 df-or 359 df-an 360 df-tru 1319 df-ex 1542 df-nf 1545 df-sb 1649 df-eu 2208 df-mo 2209 df-rex 2621 df-reu 2622 df-rmo 2623 |
This theorem is referenced by: reu3 3027 |
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