Logical expressions

Syntax

LogicalAndExpression^β :
BitwiseOrExpression^β
LogicalAndExpression^β && BitwiseOrExpression^β

LogicalXorExpression^allowIn :
LogicalAndExpression^β
LogicalXorExpression^β ^^ LogicalAndExpression^β

LogicalOrExpression^allowIn :
LogicalXorExpression^β
LogicalOrExpression^β || LogicalXorExpression^β