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Mirrors > Home > ILE Home > Th. List > 19.41 | Unicode version |
Description: Theorem 19.41 of [Margaris] p. 90. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Andrew Salmon, 25-May-2011.) (Proof shortened by Wolf Lammen, 12-Jan-2018.) |
Ref | Expression |
---|---|
19.41.1 |
Ref | Expression |
---|---|
19.41 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 19.40 1562 | . . 3 | |
2 | 19.41.1 | . . . . 5 | |
3 | 2 | 19.9 1575 | . . . 4 |
4 | 3 | anbi2i 444 | . . 3 |
5 | 1, 4 | sylib 120 | . 2 |
6 | pm3.21 260 | . . . 4 | |
7 | 2, 6 | eximd 1543 | . . 3 |
8 | 7 | impcom 123 | . 2 |
9 | 5, 8 | impbii 124 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 102 wb 103 wnf 1389 wex 1421 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-5 1376 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-4 1440 ax-ial 1467 |
This theorem depends on definitions: df-bi 115 df-nf 1390 |
This theorem is referenced by: 19.42 1618 eean 1847 r19.41 2509 eliunxp 4493 dfopab2 5835 dfoprab3s 5836 xpcomco 6323 |
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