02Writing
Finished arguments and working notes.
Two registers, deliberately kept apart. Essays are finished arguments – a position taken, defended, and closed. Notes are the working surface, revised in place as the thinking moves.
IndexTitle
02-01An AI prospecting vendor claims a 3× lift. What I would require before signing.A vendor-authored benchmark on AI prospecting is enough to justify a pilot, not a purchase. Four buyer conditions close the gap.02-02NotesFoundations · Algebra and precalculus · Linear algebra and geometry · Calculus and optimisation · Probability and statistics · Machine learning · Economics and business