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Mirrors > Home > MPE Home > Th. List > ax-1cn | Unicode version |
Description: 1 is a complex number. Axiom 2 of 22 for real and complex numbers, justified by theorem ax1cn 8980. (Contributed by NM, 1-Mar-1995.) |
Ref | Expression |
---|---|
ax-1cn |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | c1 8947 |
. 2
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2 | cc 8944 |
. 2
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3 | 1, 2 | wcel 1721 |
1
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