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Line 49:
:- ^ for power
:- ^ for power
:- logical operators (&& for "and", || for "or") where the operands can be booleans or numbers (0 is false, any non-zero is true) and the boolean result is converted to number (there is no "not" operator but there is a not() function shown in the list of available functions)
:- logical operators (&& for "and", || for "or") where the operands can be booleans or numbers (0 is false, any non-zero is true) and the boolean result is converted to number (there is no "not" operator but there is a not() function shown in the list of available functions)
−:- comparisons between numbers (<= < == != > >=) where again the boolean result is converted to number
+:- comparisons between numbers (< = != >) where again the boolean result is converted to number