Metamath Proof Explorer
Description: A continuous function at point P is a mapping. (Contributed by FL, 17-Nov-2006) (Revised by Mario Carneiro, 21-Aug-2015)
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Ref |
Expression |
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Hypotheses |
iscnp2.1 |
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iscnp2.2 |
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Assertion |
cnpf |
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Proof
Step |
Hyp |
Ref |
Expression |
1 |
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iscnp2.1 |
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2 |
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iscnp2.2 |
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3 |
1 2
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iscnp2 |
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4 |
3
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simprbi |
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5 |
4
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simpld |
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