The law of the Identity of Indiscernibles is said to be the converse of Leibniz’s law. This is the Indentity of Indiscernibles: If a ...

What is Leibniz’s law? This: If a is the same as b , then everything true of a is also true of b. Or in symbols: ( x ) ( y ) (...

  You will note how important the criticism of the (analytic) metaphysicians' reliance on 'intuitions' is in James Ladyman ...

It can be seen that the basic idea is simple. Before the rise of modern science it was philosophers who investigated “the fundamental s...

  [Although the quotations in this piece have page numbers, I can't remember the books or papers from which they were taken. Some ...