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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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