→As a critique of humanism
Posthumanism is often a critique of humanism especially in the context of human exceptionalism, sometimes known as [[antihumanism]].
Humanism, subjective relativism, is fundamentally based on the notion that: "The man is the measure of everything" (Protagoras), and posthumanism critiques this inherent human exceptionalism. Transhumanism is a part of Posthumanism, as Transhumanism specifies that humanity and human condition are defined by the technological context, so the "measure" mentioned by Protagoras changes in time<ref>[http://ieet.org/index.php/IEET/more/lagrandeur20140729 What is the Difference between Posthumanism and Transhumanism?, Kevin LaGrandeur, Ethical Technology]</ref>. This binds the transhumanism idea into the continuation of the philosophical humanist tradition. In Wikipedia, this
is definition is called: [https://en.wikipedia.org/wiki/Posthumanism#Philosophical_posthumanism "Philosophical Posthumanism"].
=== Beyond humanity as we know it ===