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Mirrors > Home > ILE Home > Th. List > df-mi | Unicode version |
Description: Define multiplication on positive integers. This is a "temporary" set used in the construction of complex numbers and is intended to be used only by the construction. (Contributed by NM, 26-Aug-1995.) |
Ref | Expression |
---|---|
df-mi |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cmi 7251 |
. 2
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2 | comu 6408 |
. . 3
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3 | cnpi 7249 |
. . . 4
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4 | 3, 3 | cxp 4620 |
. . 3
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5 | 2, 4 | cres 4624 |
. 2
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6 | 1, 5 | wceq 1353 |
1
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Colors of variables: wff set class |
This definition is referenced by: mulpiord 7294 dmmulpi 7303 |
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