I am following the tutorial. When I put datatype my_nat = 0 | Suc nat in a theory file, I get Bad name: "my_nat.0".
datatype my_nat = 0 | Suc nat
Bad name: "my_nat.0"
I fixed it by using zeroinstead of 0 .
zero
0
Last updated: Dec 08 2025 at 08:34 UTC