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#### 12.1.1.5 Logical Operations on Integers

Logical operations require integers as arguments; an error of type type-error should be signaled if an argument is supplied that is not an integer. Integer arguments to logical operations are treated as if they were represented in two’s-complement notation.

Figure 12–5 shows defined names relating to logical operations on numbers.

      ash          boole-ior       logbitp
      boole        boole-nand      logcount
      boole-1      boole-nor       logeqv
      boole-2      boole-orc1      logior
      boole-and    boole-orc2      lognand
      boole-andc1  boole-set       lognor
      boole-andc2  boole-xor       lognot
      boole-c1     integer-length  logorc1
      boole-c2     logand          logorc2
      boole-clr    logandc1        logtest
      boole-eqv    logandc2        logxor

      Figure 12–5: Defined names relating to logical operations on numbers.