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Basic properties of orthogonal maps (#979)
- Coproducts of pullbacks are pullbacks - Gives some equivalent characterizations of orthogonal maps - Orthogonal maps are closed under homotopy - Equivalences are left and right orthogonal to any map - Right orthogonal maps are closed under - Composition - Left cancellation - Dependent products - Postcomp exponentiation - Products - Base change - Left orthogonal maps are closed under - Composition - Right cancellation - Dependent sums - Coproducts - Local (dependent) types are closed under - equivalent types - function homotopy - A type is `f`-local if and only if its terminal map is - A type is `f`-local if and only if its terminal map is `f`-orthogonal - A dependent type is `f`-local if its fibers are `f`-null - Code formatting and refactoring for pullbacks and miscellaneous.
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