16 lines
513 B
Lua
16 lines
513 B
Lua
local env = environment()
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local l = param_univ("l")
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local U_l = mk_sort(l)
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local inhabited = Const("inhabited", {l})
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local A = Local("A", U_l)
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local a = Local("a", A)
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env = add_inductive(env,
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"inhabited", {l}, 1, mk_arrow(U_l, Prop),
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"inhabited_intro", Pi(A, a, inhabited(A)))
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function display_type(env, t)
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print(tostring(t) .. " : " .. tostring(type_checker(env):check(t)))
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end
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display_type(env, Const({"inhabited", "rec"}, {1}))
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