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Mirrors > Home > MPE Home > Th. List > ltleii | Structured version Visualization version Unicode version |
Description: 'Less than' implies 'less than or equal to' (inference). (Contributed by NM, 22-Aug-1999.) |
Ref | Expression |
---|---|
lt.1 | |
lt.2 | |
ltlei.1 |
Ref | Expression |
---|---|
ltleii |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ltlei.1 | . 2 | |
2 | lt.1 | . . 3 | |
3 | lt.2 | . . 3 | |
4 | 2, 3 | ltlei 10159 | . 2 |
5 | 1, 4 | ax-mp 5 | 1 |
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