fix: grind? dropping options
#11481
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fix: grind? dropping options
#11481
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This PR fixes a bug in `grind?`. The suggestion using the `grind` interactive mode was dropping the configuration options provided by the user. In the following account, the third suggestion was dropping the `-reducible` option. ```lean /-- info: Try these: [apply] grind -reducible only [Equiv.congr_fun, #5103] [apply] grind -reducible only [Equiv.congr_fun] [apply] grind -reducible => cases #5103 <;> instantiate only [Equiv.congr_fun] -/ example : (Equiv.sigmaCongrRight e).trans (Equiv.sigmaEquivProd α₁ β₂) = (Equiv.sigmaEquivProd α₁ β₁).trans (prodCongrRight e) := by grind? -reducible [Equiv.congr_fun] ```
algebraic-dev
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Dec 8, 2025
This PR fixes a bug in `grind?`. The suggestion using the `grind` interactive mode was dropping the configuration options provided by the user. In the following account, the third suggestion was dropping the `-reducible` option. ```lean /-- info: Try these: [apply] grind -reducible only [Equiv.congr_fun, #5103] [apply] grind -reducible only [Equiv.congr_fun] [apply] grind -reducible => cases #5103 <;> instantiate only [Equiv.congr_fun] -/ example : (Equiv.sigmaCongrRight e).trans (Equiv.sigmaEquivProd α₁ β₂) = (Equiv.sigmaEquivProd α₁ β₁).trans (prodCongrRight e) := by grind? -reducible [Equiv.congr_fun] ```
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This PR fixes a bug in
grind?. The suggestion using thegrindinteractive mode was dropping the configuration options provided by the user. In the following account, the third suggestion was dropping the-reducibleoption.