tactic_error_pos.lean:3:9: error: invalid type ascription, expression has type
  ?m_1 ∨ ?m_2
but is expected to have type
  p ∧ q
state:
p q : Prop,
h1 : p,
h2 : q
⊢ p ∧ q
tactic_error_pos.lean:9:19: error: don't know how to synthesize placeholder
context:
p q : Prop,
h1 : p,
h2 : q
⊢ p
state:
p q : Prop,
h1 : p,
h2 : q
⊢ p ∧ q
tactic_error_pos.lean:15:29: error: don't know how to synthesize placeholder
context:
p q : Prop,
h1 : p,
h2 : q
⊢ p
state:
p q : Prop,
h1 : p,
h2 : q
⊢ p ∧ q
tactic_error_pos.lean:23:0: error: tactic failed, there are unsolved goals
state:
p q : Prop,
h1 : p,
h2 : q
⊢ p

p q : Prop,
h1 : p,
h2 : q
⊢ q
tactic_error_pos.lean:29:0: error: tactic failed, there are unsolved goals
state:
p q : Prop,
h1 : p,
h2 : q
⊢ p ∧ q
tactic_error_pos.lean:35:0: error: tactic failed, there are unsolved goals
state:
p q : Prop,
h1 : p,
h2 : q
⊢ p ∧ q
tactic_error_pos.lean:43:2: error: invalid apply tactic, failed to unify
  p ∧ q
with
  ?m_1 ∨ ?m_2
state:
p q : Prop,
h1 : p,
h2 : q
⊢ p ∧ q

p q : Prop,
h1 : p,
h2 : q
⊢ Prop

p q : Prop,
h1 : p,
h2 : q
⊢ Prop

p q : Prop,
h1 : p,
h2 : q
⊢ ?m_1