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Mirrors > Home > ILE Home > Th. List > pm5.16 | Unicode version |
Description: Theorem *5.16 of [WhiteheadRussell] p. 124. (Contributed by NM, 3-Jan-2005.) (Revised by Mario Carneiro, 31-Jan-2015.) |
Ref | Expression |
---|---|
pm5.16 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pm5.19 696 | . 2 | |
2 | simpl 108 | . . 3 | |
3 | simpr 109 | . . 3 | |
4 | 2, 3 | bitr3d 189 | . 2 |
5 | 1, 4 | mto 652 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wa 103 wb 104 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: (None) |
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