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Mirrors > Home > MPE Home > Th. List > leidd | Structured version Visualization version Unicode version |
Description: 'Less than or equal to' is reflexive. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
leidd.1 |
Ref | Expression |
---|---|
leidd |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | leidd.1 | . 2 | |
2 | leid 10133 | . 2 | |
3 | 1, 2 | syl 17 | 1 |
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