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Mirrors > Home > ILE Home > Th. List > mpgbi | Unicode version |
Description: Modus ponens on biconditional combined with generalization. (Contributed by NM, 24-May-1994.) (Proof shortened by Stefan Allan, 28-Oct-2008.) |
Ref | Expression |
---|---|
mpgbi.1 | |
mpgbi.2 |
Ref | Expression |
---|---|
mpgbi |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mpgbi.2 | . . 3 | |
2 | 1 | ax-gen 1437 | . 2 |
3 | mpgbi.1 | . 2 | |
4 | 2, 3 | mpbi 144 | 1 |
Colors of variables: wff set class |
Syntax hints: wb 104 wal 1341 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-gen 1437 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: nex 1488 exlimih 1581 exan 1681 abbii 2281 bj-ex 13590 |
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