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Mirrors > Home > QLE Home > Th. List > i3orlem4 | Unicode version |
Description: Lemma for Kalmbach implication OR builder. |
Ref | Expression |
---|---|
i3orlem4 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | leo 158 | . . 3 | |
2 | 1 | ler 149 | . 2 |
3 | df-i3 46 | . . 3 | |
4 | 3 | ax-r1 35 | . 2 |
5 | 2, 4 | lbtr 139 | 1 |
Colors of variables: term |
Syntax hints: wle 2 wn 4 wo 6 wa 7 wi3 14 |
This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-a3 32 ax-a5 34 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 |
This theorem depends on definitions: df-a 40 df-i3 46 df-le1 130 df-le2 131 |
This theorem is referenced by: (None) |
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