3 ideas
15927 | Definition just needs negation, known variables, conjunction, disjunction, substitution and quantification [Weyl, by Lavine] |
21799 | We just use the word 'faculty' when we don't know the psychological cause [Galen] |
5064 | Rights are moral significance, or liberty, or right not to be restrained, or entitlement [Mawson] |