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Mirrors > Home > ILE Home > Th. List > pm3.4 | Unicode version |
Description: Conjunction implies implication. Theorem *3.4 of [WhiteheadRussell] p. 113. (Contributed by NM, 31-Jul-1995.) |
Ref | Expression |
---|---|
pm3.4 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 109 | . 2 | |
2 | 1 | a1d 22 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia2 106 |
This theorem is referenced by: dcim 836 pclem6 1369 sbequ1 1761 sbequ8 1840 en2lp 4536 |
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