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Mirrors > Home > MPE Home > Th. List > 4re | Structured version Visualization version Unicode version |
Description: The number 4 is real. (Contributed by NM, 27-May-1999.) |
Ref | Expression |
---|---|
4re |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-4 11081 | . 2 | |
2 | 3re 11094 | . . 3 | |
3 | 1re 10039 | . . 3 | |
4 | 2, 3 | readdcli 10053 | . 2 |
5 | 1, 4 | eqeltri 2697 | 1 |
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