Friedrich Nietzsche Heidegger absorbed it and made it their own. It shaped their philosophical and cultural endeavor, as well as their political understanding. Weber, for example, relies on Nietzsche's perspectivism by maintaining that objectivity is still possible—but only after a particular perspective, value, or end has been established. Among his critique of traditional philosophy of Kant, Descartes and Plato in "Beyond Good and Evil", Nietzsche attacked "thing in itself" and "cogito ergo sum" ("I think, therefore I am") as unfalsifiable beliefs based on naive acceptance of previous notions and fallacies. Philosopher Alasdair MacIntyre puts Nietzsche in a high place in the history
Cogito, ergo sum of other minds at this point. This is something that has to be thought through by each of us for ourselves, as we follow the course of the meditations. Second, he does not say that his existence is necessary; he says that "if he thinks", then necessarily he exists (see the instantiation principle). Third, this proposition "I am, I exist" is held true not based on a deduction (as mentioned above) or on empirical induction but on the clarity and self-evidence of the proposition. Descartes does not use this first certainty, the "cogito", as a foundation upon which to build