41 lines
960 B
Text
41 lines
960 B
Text
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universe Z ≥ M+3
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(*
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local env = get_environment()
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assert(env:get_universe_distance("Z", "M") == 3)
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assert(not env:get_universe_distance("Z", "U"))
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*)
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scope
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universe Z ≥ U + 10
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(*
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local env = get_environment()
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assert(env:get_universe_distance("Z", "U") == 10)
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assert(env:get_universe_distance("Z", "M") ==
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env:get_universe_distance("Z", "U") +
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env:get_universe_distance("U", "M"))
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*)
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pop::scope
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(*
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local env = get_environment()
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assert(env:get_universe_distance("Z", "M") == 3)
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assert(not env:get_universe_distance("Z", "U"))
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*)
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universe Z1 ≥ U + 1073741824.
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universe Z2 ≥ Z1 + 1073741824.
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universe U1
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universe U2 ≥ U1 + 1
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universe U3 ≥ U1 + 1
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universe U4 ≥ U2 + 1
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universe U4 ≥ U3 + 3
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(*
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local env = get_environment()
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assert(env:get_universe_distance("U4", "U1") == 4)
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assert(env:get_universe_distance("U4", "U3") == 3)
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assert(env:get_universe_distance("U4", "U2") == 1)
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*)
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universe U1 ≥ U4.
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