[Merged by Bors] - feat: Make the coercion ℝ≥0 → ℝ≥0∞ commute defeqly with nsmul and pow
#10225
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and make it defeq by tweaking the definition of the `AddMonoid (WithTop α)` instance. Unprotect `ENNReal.coe_injective`. From LeanAPAP
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↑(n • p) : ℝ≥0∞) = n • p(↑(n • p) : ℝ≥0∞) = n • p
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(↑(n • p) : ℝ≥0∞) = n • pℝ≥0 → ℝ≥0∞ commute defeqly with nsmul and pow
This PR is getting quite big; can you do this separately? |
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… `pow` (#10225) by tweaking the definition of the `AddMonoid` and `MonoidWithZero` instances for `WithTop`. Also unprotect `ENNReal.coe_injective` and rename `ENNReal.coe_eq_coe → ENNReal.coe_inj`. From LeanAPAP
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ℝ≥0 → ℝ≥0∞ commute defeqly with nsmul and powℝ≥0 → ℝ≥0∞ commute defeqly with nsmul and pow
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… `pow` (#10225) by tweaking the definition of the `AddMonoid` and `MonoidWithZero` instances for `WithTop`. Also unprotect `ENNReal.coe_injective` and rename `ENNReal.coe_eq_coe → ENNReal.coe_inj`. From LeanAPAP
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by tweaking the definition of the
AddMonoidandMonoidWithZeroinstances forWithTop. Also unprotectENNReal.coe_injectiveand renameENNReal.coe_eq_coe → ENNReal.coe_inj.From LeanAPAP
WithOnedoesn't import rings #10275