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Commit 2022-06-29 23:58 5d8810aa

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feat(set_theory/cardinal/*): simp lemmas for to_nat and to_enat (#15059)

Estimated changes

Modified src/set_theory/cardinal/basic.lean

added theorem cardinal.aleph_0_to_enat

added theorem cardinal.aleph_0_to_nat

Modified src/set_theory/cardinal/continuum.lean

added theorem cardinal.continuum_to_enat

added theorem cardinal.continuum_to_nat

Modified src/set_theory/cardinal/ordinal.lean

added theorem cardinal.aleph_to_enat

added theorem cardinal.aleph_to_nat