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Theorem zmod.χ₄_nat_eq_if_mod_four

Modification history

2022-05-16 16:38
src/number_theory/legendre_symbol/quadratic_char.lean
feat(number_theory/legendre_symbol/*): move characters on `zmod n` to new file, add API, improve a proof (#14178) …
Modified zmod.χ₄_nat_eq_if_mod_fourView on Github →
2022-05-06 18:45
src/number_theory/legendre_symbol/quadratic_char.lean
feat(number_theory/legendre_symbol/*): add results on value at -1 (#13978) …
Added zmod.χ₄_nat_eq_if_mod_fourView on Github →