lean4-htt/library/smt/prove.lean

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namespace smt
open tactic
private meta def collect_props : list expr → tactic (list expr)
| [] := return []
| (H :: Hs) := do
Eqs ← collect_props Hs,
Htype ← infer_type H >>= infer_type >>= whnf,
return $ if Htype = ```(Prop) then (H :: Eqs) else Eqs
-- This tactic is just a placeholder, designed to be modified for specific performance experiments
meta def prove : tactic unit :=
do local_context >>= collect_props >>= revert_lst,
trace "SMT state, after reverting propositions:",
trace_state,
simp { contextual := tt }
end smt