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Mirrors > Home > NFE Home > Th. List > 19.40 | Unicode version |
Description: Theorem 19.40 of [Margaris] p. 90. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
19.40 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | exsimpl 1592 | . 2 | |
2 | simpr 447 | . . 3 | |
3 | 2 | eximi 1576 | . 2 |
4 | 1, 3 | jca 518 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 358 wex 1541 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1546 ax-5 1557 |
This theorem depends on definitions: df-bi 177 df-an 360 df-ex 1542 |
This theorem is referenced by: 19.40-2 1610 19.41 1879 exdistrf 1971 uniin 3911 copsexg 4607 dmin 4913 imadif 5171 fv3 5341 |
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