Leibniz' Law of Identity

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The philosopher Leibniz formulated the principle of identity which is very important whenever we philosophize. So in this episode I ask the questions: What we mean when we say that 2 things is identical? And can 2 different object be exactly the same?
I also talk a little bit about the logically equivalent principle that McTaggart referred to as "The dissimilarity of the diverse".
References:
Discourse on Metaphysics - Leibniz, Gottfried
plato.stanford.edu/entries/id...
Music:
Wachet auf, ruft uns die stimme, written by J.S Bach and performed by the W Trio.

Опубликовано:

8 июн 2023

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Комментарии : 6

@manottoa.3647 Год назад

Depends how you define identical, I suppose. I understand the word identical to mean roughly "alike in all manner except self," or alike in every way except that they are different objects. So finding a difference in that they are in different places does not make them not identical, at least to my definition. You're just proving they're different objects, not that there are any differences between them.

@soundandsophia Год назад

Yeah, maybe I should have used another word. But much of the point of Leibniz's Law is only self-identity. And the reason I used the example of the cubes is that people have proposed it as an argument against Leibniz law that two different objects in a complete symmetrical world can be identical even in position. But the world I created in Blender was not to prove a point. But thank you for the comment!

@HegemonicMarxism 5 месяцев назад

Great explanation

@soundandsophia 5 месяцев назад

Glad you think so! Thank you for the comment.

@tracygilmore7983 Год назад

But one of the names is known by Many more people than the other , is that not a difference?

@soundandsophia Год назад

That sure is a difference! And that exakt problem was discussed by Frege in his article "on sense and reference". Here you can find some info about it. en.m.wikipedia.org/wiki/Frege%27s_puzzles