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Mirrors > Home > MPE Home > Th. List > eluz2nn | Structured version Visualization version Unicode version |
Description: An integer is greater than or equal to 2 is a positive integer. (Contributed by AV, 3-Nov-2018.) |
Ref | Expression |
---|---|
eluz2nn |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1z 11407 |
. . 3
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2 | 1le2 11241 |
. . 3
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3 | eluzuzle 11696 |
. . 3
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4 | 1, 2, 3 | mp2an 708 |
. 2
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5 | nnuz 11723 |
. 2
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6 | 4, 5 | syl6eleqr 2712 |
1
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