Each item below offers a choice, in a pull-down menu, of four connectives for expressing various logical relationships. For each numbered item, select the connective that best fits in the sentence.

In each item below, the sentence contains a highlighted connective introducing a condition, followed by a different connective in parentheses. In the blank box under each item, rewrite the sentence, ...

This study investigates 2–5-year-old Mandarin-speaking children's interpretation of the disjunction word huozhe ('or') in two positions in ruguo ('if )-conditional statements, i.e., in the antecedent ...

The ability to express causes, reasons and justifications is essential for language use. Causality appears in all kinds of texts/discourse and it can be marked for example by causal connectives and ...

The totality of extensional 1-ary connectives distinguishable in a logical framework allowing sequents with multiple or empty (alongside singleton) succedents form a lattice under a natural partial ...