ImperialCollegeLondon / natural_number_game

Building the natural numbers in Lean 3. The original natural number game, now frozen. See README for Lean 4 information.
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improper solution to level 6/9 (uses zero_ne_succ) #134

Closed rmcmanus342 closed 3 weeks ago

rmcmanus342 commented 3 weeks ago

symm exact zero_ne_succ a

that's it is needed to complete the level. I was surprised it wasn't locked like one of the previous levels.

rmcmanus342 commented 3 weeks ago

didn't read that you already knew