What should be the vertices of 1) Graph({'a': ['b']}) + Graph({42: []})
1) Graph({'a': ['b']}) + Graph({42: ['a']}) ? Comment here or at http://trac.sagemath.org/ticket/20499 . -- Jori Mäntysalo
What should be the vertices of 1) Graph({'a': ['b']}) + Graph({42: []})
1) Graph({'a': ['b']}) + Graph({42: ['a']}) ? Comment here or at http://trac.sagemath.org/ticket/20499 . -- Jori Mäntysalo