lean2/tests/lean/tactic1.lean

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Variables p q r : Bool
(**
local env = get_environment()
local conjecture = parse_lean('p => q => p && q')
local tac = REPEAT(conj_tac() ^ imp_tac() ^ assumption_tac())
local proof = tac:solve(env, context(), conjecture)
env:add_theorem("T1", conjecture, proof)
**)
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