9 lines
283 B
Lua
9 lines
283 B
Lua
local env = bare_environment()
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assert(is_environment(env))
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assert(not env:is_global_level("U"))
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local env2 = env:add_global_level("U")
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assert(not env:is_global_level("U"))
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assert(env2:is_global_level("U"))
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assert(env:eta())
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assert(env:prop_proof_irrel())
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assert(env:impredicative())
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