Rigour or rigor (see spelling differences) has a number of meanings in relation to intellectual life and discourse. These are separate from public and political applications with their suggestion of laws enforced to the letter, or political absolutism. A religion, too, may be worn lightly, or applied with rigour. Intellectual rigour An attempted short definition of intellectual rigour might be that no suspicion of double standard be allowed: uniform principles should be applied. This's a test o… (More on Rigour)