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Mirrors > Home > QLE Home > Th. List > i5lei2 | Unicode version |
Description: Relevance implication is l.e. Dishkant implication. |
Ref | Expression |
---|---|
i5lei2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lear 161 | . . . 4 | |
2 | lear 161 | . . . 4 | |
3 | 1, 2 | lel2or 170 | . . 3 |
4 | 3 | leror 152 | . 2 |
5 | df-i5 48 | . 2 | |
6 | df-i2 45 | . 2 | |
7 | 4, 5, 6 | le3tr1 140 | 1 |
Colors of variables: term |
Syntax hints: wle 2 wn 4 wo 6 wa 7 wi2 13 wi5 16 |
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-t 41 df-f 42 df-i2 45 df-i5 48 df-le1 130 df-le2 131 |
This theorem is referenced by: oago3.21x 890 wdwom 1104 |
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