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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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