BooleanQ

BooleanQ(expr)

returns True if expr is either True or False.

Examples

>> BooleanQ(True)
True
>> BooleanQ(False)
True
>> BooleanQ(a)
False
>> BooleanQ(1 < 2)
True
>> BooleanQ("string")
False
>> BooleanQ(Together(x/y + y/x))
False

Github

• Implementation of BooleanQ