lean2/tests/lean/alias2.lean

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Variable Natural : Type.
Alias : Natural.
Variable x : Natural.
print Environment 1.
SetOption pp::unicode false.
print Environment 1.
SetOption pp::unicode true.
print Environment 1.
Alias NN : Natural.
print Environment 2.
Alias : Natural.
print Environment 3.
SetOption pp::unicode false.
print Environment 3.
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