Metamath Proof Explorer
Description: Ordinal exponentiation with zero mantissa and zero exponent. Proposition
8.31 of TakeutiZaring p. 67. (Contributed by NM, 31-Dec-2004)
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|
Ref |
Expression |
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Assertion |
oe0m0 |
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Proof
Step |
Hyp |
Ref |
Expression |
1 |
|
0elon |
|
2 |
|
oe0m |
|
3 |
1 2
|
ax-mp |
|
4 |
|
dif0 |
|
5 |
3 4
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eqtri |
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