lean2/tests/lean/arith1.lean
Leonardo de Moura 08718e33dc refactor(builtin): only load the kernel and natural numbers by default
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2013-12-30 13:35:37 -08:00

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Text

Import int.
Check 10 + 20
Check 10
Check 10 - 20
Eval 10 - 20
Eval 15 + 10 - 20
Check 15 + 10 - 20
Variable x : Int
Variable n : Nat
Variable m : Nat
Show n + m
Show n + x + m
SetOption lean::pp::coercion true
Show n + x + m + 10
Show x + n + m + 10
Show n + m + 10 + x
SetOption lean::pp::notation false
Show n + m + 10 + x