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

What Habermas means by communicative rationality — reason oriented toward mutual understanding, not domination

Communicative rationality: Reason aimed at shared understanding, not power

What Heidegger meant by the forgetting of Being — Western metaphysics reduced Being to beings

Heidegger's concept: Western metaphysics obscured Being by focusing on individual beings

What de Beauvoir's ethics of ambiguity argues — freedom requires acknowledging others' freedom

De Beauvoir's ethics posits freedom entails recognizing others' freedom amidst life's inherent ambiguities

What Heidegger means by Dasein — being-there, the kind of being that questions its own existence

Dasein: Heidegger's term for human existence, characterized by self-awareness and existential questioning

What 'das Man' (the They) does according to Heidegger — anonymous social norms that dissolve individual responsibility

'Das Man' embodies anonymous social norms, eroding individual accountability in Heidegger's philosophy

What qualia are — the subjective, felt qualities of experience (the redness of red)

Qualia represent the intrinsic, subjective aspects of conscious experiences