Acquaintance , Consciousness , Direct realism , First-order representationalism , For-me-ness , Harder problem , Heidelberg school , Higher-order representationalism , Individuality , Individuation , Intrinsic property , Mineness , Naturalize , Particularity , Phenomenal consciousness , Phenomenal intentionality , Physicalism , Qualitative character , Reflexive awareness , Reflexivity , Relational property , Representation , Representationalism , Same-order representationalism , Self-acquaintance , Self-knowledge , Self-representation , Sense of self , Sense-datum theory , Stream of consciousness , Structural universals , Subject , Subjective-character , The grain problem , Transparency intuition