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Mirrors > Home > MPE Home > Th. List > ee4anv | Unicode version |
Description: Rearrange existential quantifiers. (Contributed by NM, 31-Jul-1995.) |
Ref | Expression |
---|---|
ee4anv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | excom 1849 | . . 3 | |
2 | 1 | exbii 1667 | . 2 |
3 | eeanv 1988 | . . 3 | |
4 | 3 | 2exbii 1668 | . 2 |
5 | eeanv 1988 | . 2 | |
6 | 2, 4, 5 | 3bitri 271 | 1 |
Colors of variables: wff setvar class |
Syntax hints: <-> wb 184 /\ wa 369
E. wex 1612 |
This theorem is referenced by: cgsex4g 3144 5oalem7 26578 3oalem3 26582 elfuns 29565 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1618 ax-4 1631 ax-5 1704 ax-6 1747 ax-7 1790 ax-10 1837 ax-11 1842 ax-12 1854 |
This theorem depends on definitions: df-bi 185 df-an 371 df-ex 1613 df-nf 1617 |
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