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Commit 2021-12-30 14:54 d49ae127

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feat(topology/homotopy): Add homotopy product (#10946) Binary product and pi product of homotopies.

Estimated changes

Modified src/topology/continuous_function/basic.lean

added def continuous_map.pi

added theorem continuous_map.pi_eval

added theorem continuous_map.prod_eval

modified def continuous_map.prod_map

modified def continuous_map.prod_mk

Created src/topology/homotopy/product.lean

added def continuous_map.homotopy.pi

added def continuous_map.homotopy.prod

added def continuous_map.homotopy_rel.pi

added def continuous_map.homotopy_rel.prod