[see also: set apart
The Knaster continua are distinguished by the property that......
Generally we add a tilde to distinguish between quantities associated with à and those associated with A.
We shall find it convenient not to distinguish between two such sequences which differ only by a string of zeros at the end.
Where it is important to distinguish different norms on E, we shall use the notation......
Functions which are equal almost everywhere are indistinguishable as far as integration is concerned.