f((\)/1)

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Function \/1

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Documentation
- Reference manual
  - Built-in Predicates
    - Arithmetic
      - General purpose arithmetic
        
        Arithmetic Functions
        
        -/1
        
        +/1
        
        +/2
        
        -/2
        
        */2
        
        //2
        
        mod/2
        
        rem/2
        
        ///2
        
        div/2
        
        rdiv/2
        
        gcd/2
        
        lcm/2
        
        abs/1
        
        sign/1
        
        cmpr/2
        
        copysign/2
        
        nexttoward/2
        
        roundtoward/2
        
        max/2
        
        maxr/2
        
        min/2
        
        minr/2
        
        ./2
        
        random/1
        
        random_float/0
        
        round/1
        
        integer/1
        
        float/1
        
        rational/1
        
        rationalize/1
        
        numerator/1
        
        denominator/1
        
        float_fractional_part/1
        
        float_integer_part/1
        
        truncate/1
        
        floor/1
        
        ceiling/1
        
        ceil/1
        
        >>/2
        
        <</2
        
        \//2
        
        /\/2
        
        xor/2
        
        \/1
        
        sqrt/1
        
        sin/1
        
        cos/1
        
        tan/1
        
        asin/1
        
        acos/1
        
        atan/1
        
        atan2/2
        
        atan/2
        
        sinh/1
        
        cosh/1
        
        tanh/1
        
        asinh/1
        
        acosh/1
        
        atanh/1
        
        log/1
        
        log10/1
        
        exp/1
        
        **/2
        
        ^/2
        
        powm/3
        
        lgamma/1
        
        erf/1
        
        erfc/1
        
        pi/0
        
        e/0
        
        epsilon/0
        
        inf/0
        
        nan/0
        
        cputime/0
        
        eval/1
        
        msb/1
        
        lsb/1
        
        popcount/1
        
        getbit/2
- Packages

Availability:Arithmetic function (see is/2)

[ISO]\ +IntExpr

Bitwise negation. The returned value is the one's complement of IntExpr.

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bit_operation

LogicalCaptain said (2021-01-06T12:45:02):

The ISO Standard says on page 124:

'\\'(B1) evaluates the expression B1 with value VB1 and has the value such that each bit is set iff the corresponding bit in VB1 is not set. The value shall be implementation defined.

Leaving this "implementation defined" is really, really weird.