context | ctx
Build a multitape context from contexts by tupling the labelsets (i.e., going multitape), and joining the weightsets (i.e., looking for a common support if they are different).
See also:
automaton.tuple
expression.tuple
polynomial.tuple
import vcsn vcsn.context('lal(ab), q') | vcsn.context('lan(xy), r')
{a,b}×({x,y})?→R\{a, b\} \times (\{x, y\})^?\to\mathbb{R}{a,b}×({x,y})?→R
