enthymeme: a standalone construct

Aristotle, in the Rhetoric (ca. 350 BCE), named the enthymeme the central instrument of persuasion and called it the rhetorical counterpart of the logical syllogism: an argument that reaches a conclusion from premises, but with one premise left unstated because the audience already holds it and will supply it themselves. Where a fully spelled-out syllogism states every step (all humans are mortal; Socrates is human; therefore Socrates is mortal), an enthymeme omits the shared premise and lets the hearer complete the reasoning, so persuasion becomes a joint act between speaker and audience. Lloyd Bitzer's 1959 essay "Aristotle's Enthymeme Revisited" recovered this audience-supplied premise as the defining feature, arguing that the missing piece is drawn from the beliefs the listeners already bring, and Jeffrey Walker's 1994 study extended the idea beyond strict logic to the compressed, emotionally charged turns of everyday argument. What makes the enthymeme distinctive is that it locates the force of an argument not in what is stated but in the gap the audience fills, so it names the ordinary, incomplete reasoning that most real persuasion uses rather than the fully explicit proof of formal logic.[1][2][3]

Unit

A form of argument: one incomplete syllogism whose missing premise is supplied by the audience

Recovery means

Not applicable

Measured by

Identified by analysing an argument for a suppressed premise that the audience must supply for the stated conclusion to follow