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| Mirrors > Home > MPE Home > Th. List > 1lt2 | Structured version Visualization version Unicode version | ||
| Description: 1 is less than 2. (Contributed by NM, 24-Feb-2005.) |
| Ref | Expression |
|---|---|
| 1lt2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1re 10039 |
. . 3
| |
| 2 | 1 | ltp1i 10927 |
. 2
|
| 3 | df-2 11079 |
. 2
| |
| 4 | 2, 3 | breqtrri 4680 |
1
|
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