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Mirrors > Home > ILE Home > Th. List > albi | Unicode version |
Description: Theorem 19.15 of [Margaris] p. 90. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
albi |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bi1 116 | . . 3 | |
2 | 1 | al2imi 1387 | . 2 |
3 | bi2 128 | . . 3 | |
4 | 3 | al2imi 1387 | . 2 |
5 | 2, 4 | impbid 127 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 103 wal 1282 |
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 |
This theorem depends on definitions: df-bi 115 |
This theorem is referenced by: albii 1399 albidh 1409 19.16 1487 19.17 1488 intmin4 3664 dfiin2g 3711 |
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