inductionErrors.lean:11:12-11:27: error: unsolved goals
case lower.h
p d : Nat
⊢ p ≤ p + d.succ
inductionErrors.lean:12:12-12:27: error: unsolved goals
case upper.h
q d : Nat
⊢ q + d.succ > q
inductionErrors.lean:16:19-16:26: error(lean.unknownIdentifier): Unknown identifier `elimEx2`
inductionErrors.lean:22:2-25:45: error: insufficient number of targets for 'elimEx'
inductionErrors.lean:28:16-28:23: error: expected resulting type of eliminator to be an application of one of its parameters (the motive):
  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 + 0 = 0
inductionErrors.lean:41:14-41:18: error: unsolved goals
case succ
y : Nat
⊢ 0 + (y + 1) = y + 1
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': Expected 'diag' or 'upper'
inductionErrors.lean:66:2-66:28: error: Invalid occurrence of the wildcard alternative `| _ => ...`: It must be the last alternative
inductionErrors.lean:74:2-74:34: error(lean.redundantMatchAlt): Redundant alternative '_': Any expression matching this pattern will match one of the preceding alternatives
inductionErrors.lean:80:2-80:56: error: Duplicate alternative name 'lower'