The Rigor of Angels: Borges, Heisenberg, Kant, and the Ultimate Nature of Reality

by William Egginton

that things in space and time are, by definition, always in relation to other things and that someone, an observer, needs to put them in that relation.

Thirdness: see Peirce, Meade, Plato's Demiurge in the second account of creation in Timaeus.