lean4-htt/tmp/debugger_example.lean
2016-11-16 14:53:13 -08:00

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import debugger
set_option debugger true
set_option debugger.autorun true
open tactic
local attribute [breakpoint] tactic.constructor
example (p q : Prop) : p → q → p ∧ q :=
by do intros, constructor, repeat assumption