- log :
    http://www.w3.org/2000/10/swap/log#
    Formula, String, List, Other, Truth, ... forSome, forAll, implies, includes, semantics, conjunction, uri,
    ... 
- math :
    http://www.w3.org/2000/10/swap/math#
 Function, ReverseFunction, LogicalOperator, ...
 greaterThan, lessThan, equalTo, sum, ...
- string :
    http://www.w3.org/2000/10/swap/string#
 concatenation, startsWith, contains, matches, ...
- crypto :
    http://www.w3.org/2000/10/swap/crypto.n3#
 PublicKeyObject, ...
 publicKey, sign, verify, ...
Which (and what parts) of these survive will be determined by usage.