[Merged by Bors] - doc(set_theory/ordinal/exponential): improve module docstring #18522
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| In this file we define the power function and the logarithm function on ordinals, | ||
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| In this file we define the power function and the logarithm function on ordinals. The two are | ||
| related by the lemma `ordinal.lt_opow_iff_log_lt : x < (b^c) ↔ log b x < c` for nontrivial inputs |
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Isn't the ≤ version a stronger characterization?
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They're entirely equivalent, but to be fair we do prove the ≤ version before.
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bors merge Thanks! |
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Pair: leanprover-community/mathlib#18522 Co-authored-by: Jeremy Tan Jie Rui <reddeloostw@gmail.com>
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Pair: leanprover-community/mathlib4#2551