lean4-htt/tests/lean/run/fin_two_pow.lean
2024-09-10 19:30:09 +10:00

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-- Check that we can write numerals in `Fin (2^n)`
-- even though `2^n` is not a definitionally a successor,
-- via the `NeZero (2^n)` instance.
example {n : Nat} : Fin (2^n) := 0