... of the argument (PT19, S2, Q14; PT25, S4, Q04; ... sufficient conditions (PT22, S2, Q25; PT17, S2, Q11; PT17, ... 16) Relative v. absolute (PT 53, Section 1, Q22)
PT 18, S4, Q11; PT18, S2, Q04)
... Confusing part v. whole (PT 47, Section 3, Q25) ...