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Mirrors > Home > ILE Home > Th. List > ax-1cn | Unicode version |
Description: 1 is a complex number. Axiom for real and complex numbers, justified by Theorem ax1cn 7860. (Contributed by NM, 1-Mar-1995.) |
Ref | Expression |
---|---|
ax-1cn |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | c1 7812 |
. 2
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2 | cc 7809 |
. 2
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3 | 1, 2 | wcel 2148 |
1
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