What the cosmological argument for God claims — the chain of causes must have a first cause

What the underdetermination of theory by data means — evidence is always compatible with multiple theories

Underdetermination implies that evidence does not uniquely determine a single theory

What the principle of sufficient reason says — everything must have a reason or cause

The principle of sufficient reason states: Nothing happens without a reason or cause

What philosophical concept did Saul Kripke challenge in his "Naming and Necessity" address, particularly addressing the idea of a posteriori necessity and the contingent identity of names?

Kripke challenged the descriptivist theory of names and necessity

What the ontological difference is for Heidegger — the difference between Being and beings

Heidegger's ontological difference: Being as the ground of beings, not beings themselves

Why logical positivism collapsed — the verification principle couldn't verify itself

The self-referential paradox of the verification principle undermined logical positivism's foundational premise

What Camus means by the absurd — the gap between human desire for meaning and the universe's silence

Camus defines the absurd as the conflict between human's search for meaning and the universe's indifference