Commit 2024-07-17 09:21 70b6992e

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feat: Generalize quadratic isometries to quadratic maps (#14719) Also .prod and .pi, since these are heavily entangled with Isometry and IsometryEquiv. Follows on from #7569.

Estimated changes

deleted theorem QuadraticForm.PosDef.prod
deleted def QuadraticForm.pi
deleted theorem QuadraticForm.pi_apply
deleted theorem QuadraticForm.polar_prod
deleted def QuadraticForm.prod
added def QuadraticMap.pi
added theorem QuadraticMap.pi_apply