In Polish Notation, the connectives are placed before the wffs. The virtue of this sentence is that its grammar is simpler, for it has no need for parentheses. Sider’s examples: (P ∧ Q) → R and P ∧ (Q → R) become → ∧PQR and ∧P → QR. If you actually look at a text in this tradition, you’ll find something slightly different. “C” stands for “consequence”, i.e., implication (→) and “N” for negation (∼). So,consider the following from Tarski and Łukasiewicz’s Investigations into the Sentential Calculus. The claim there is that there are three axioms: ‘CCpqCCqrCpr’ ‘CCNppp’ ‘CpCNpq’

He are merely a doggly pup who ain't got no soul to skare with Demon Rums, etc.

3 apples at 2¢ (each)

If all be well within, nothing can hurt us from without: For from inordinate Love, and vain Fears, comes all Unquietness of Spirit, and Distraction of Senses.