Single Idea 6059

[catalogued under 5. Theory of Logic / D. Assumptions for Logic / 4. Identity in Logic]

Full Idea

I have endorsed four main theses about identity: it is unitary, it is indefinable, it is fundamental, and it is a genuine relation

Gist of Idea

Identity is unitary, indefinable, fundamental and a genuine relation

Source

Colin McGinn (Logical Properties [2000], Ch.1)

Book Reference

McGinn,Colin: 'Logical Properties' [OUP 2003], p.14


A Reaction

That it is fundamental to our thinking seems certain (but to all possible thought?). That it is a relation looks worth questioning. One might challenge unitary by comparing the identity of numbers, values, electrons and continents. I can't define it.