ABSTRACT
In Chapter 2 we studied the patterns of compound sentences and their arrangements in arguments. These patterns focus on the overall connective structure that sentences and arguments have, structures consisting of the connectives ~, &, ∨, ⊃, ≡ , together with the symbols that represent simple sentences. Connective structure is a high level logical structure, because two sentences can have the same connective structure, for example, p ∨ q, even though they have significantly different logical structures at the low level. Chapter 3 will investigate the low level logical structure that all sentences have. Consider the argument:
1. Either all persons are moral agents, or no persons are moral agents.
