Boolean types and operations
public func logicalAnd(b1 : Bool, b2 : Bool) : Bool
public func logicalOr(b1 : Bool, b2 : Bool) : Bool
public func logicalXor(b1 : Bool, b2 : Bool) : Bool
public func logicalNot(b : Bool) : Bool
public func toText(b : Bool) : Text
public func compare(b1 : Bool, b2 : Bool) : {#less; #equal; #greater}