real-negative-or-zero -- r7rs Type

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Sub-types tree

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• real-negative:
  • real-negative-not-inf:
    • rational-negative:
      • ...
• real-negative-or-zero-not-inf:
  • real-zero:
    • rational-zero:
      • ...
  • real-negative-not-inf:
    • rational-negative:
      • ...
  • rational-negative-or-zero:
    • rational-zero:
      • ...
    • rational-negative:
      • ...
    • integer-negative-or-zero:
      • ...

Super-types

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• number-negative-or-zero;
• real-not-nan;

Super-types recursive

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• number-not-nan;
• number;
• complex-not-nan;
• complex;
• real;

Sub-types

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• real-negative;
• real-negative-or-zero-not-inf;

Sub-types recursive

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• real-zero;
• rational-zero;
• integer-zero;
• exact-integer-zero;
• real-negative-not-inf;
• rational-negative;
• integer-negative;
• exact-integer-negative;
• rational-negative-or-zero;
• integer-negative-or-zero;
• exact-integer-negative-or-zero;
• range-length-zero;

Predicate

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(lambda (value) (and (real? value) (or (negative? value) (zero? value))))

Categories

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• types-numbers;

Categories recursive

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• types;