Metamath Proof Explorer
Description: A positive integer is one or greater. (Contributed by Mario Carneiro, 27-May-2016)
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Ref |
Expression |
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Hypotheses |
nndivred.1 |
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|
nndivred.2 |
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Assertion |
nndivred |
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Proof
Step |
Hyp |
Ref |
Expression |
1 |
|
nndivred.1 |
|
2 |
|
nndivred.2 |
|
3 |
|
nndivre |
|
4 |
1 2 3
|
syl2anc |
|