CoCoA:IsIn

IsIn

check if one object is contained in another

Description

The semantics of IsIn is explained in the following table:

<verbatim>

   ----------------------------------------------------------------
  | POLY   IsIn  IDEAL   checks for ideal membership.              |
  | VECTOR IsIn  MODULE  checks for module membership.             |
  | OBJECT IsIn  LIST    checks if the list contains the object.   |
  | STRING IsIn  STRING  checks if the first string is a substring |
  |                      of the second one.                        |
   ----------------------------------------------------------------
                      IsIn operator

</verbatim>

Syntax

E IsIn F

where E and F are CoCoA objects.  For a precise description of
allowable objects, see the full online help entry.

   <type>boolean</type>
   <type>ideal</type>
   <type>list</type>
   <type>module</type>
   <type>polynomial</type>
   <type>string</type>
   <type>vector</type>