inductionErrors.lean:12:12-12:27: error: unsolved goals
case upper
q d : Nat
⊢ q + Nat.succ d > q
inductionErrors.lean:11:12-11:27: error: unsolved goals
case lower
p d : Nat
⊢ p ≤ p + Nat.succ d
inductionErrors.lean:16:19-16:26: error: unknown constant 'elimEx2'
inductionErrors.lean:22:8-22:9: error: insufficient number of targets for 'elimEx'
inductionErrors.lean:28:16-28:23: error: unexpected eliminator resulting type
  Nat
inductionErrors.lean:35:11-35:15: error: unsolved goals
x : Nat
⊢ 0 + 0 = 0
inductionErrors.lean:36:11-36:15: error: unsolved goals
x y : Nat
⊢ 0 + (y + 1) = y + 1
inductionErrors.lean:40:14-40:18: error: unsolved goals
case zero
⊢ 0 + Nat.zero = Nat.zero
inductionErrors.lean:41:14-41:18: error: unsolved goals
case succ
y : Nat
⊢ 0 + Nat.succ y = Nat.succ y
inductionErrors.lean:50:2-50:16: error: alternative 'cons' is not needed
inductionErrors.lean:55:2-55:16: error: alternative 'cons' is not needed
inductionErrors.lean:60:2-60:40: error: invalid alternative name 'upper2'
inductionErrors.lean:66:23-66:28: warning: declaration uses 'sorry'
inductionErrors.lean:65:29-65:34: warning: declaration uses 'sorry'
inductionErrors.lean:72:29-72:34: warning: declaration uses 'sorry'
inductionErrors.lean:71:29-71:34: warning: declaration uses 'sorry'
inductionErrors.lean:74:2-74:34: error: unused alternative
inductionErrors.lean:79:29-79:34: warning: declaration uses 'sorry'
inductionErrors.lean:78:29-78:34: warning: declaration uses 'sorry'
inductionErrors.lean:80:2-80:53: error: unused alternative