ATLAS OF LANGUAGE

AT-RHE-201-003 · ATLAS 260

Expeditio

The enumeration of several possible alternatives followed by the rejection of all but one.

Part of the subject path Rhetoric and Style

Why is this entry in the Atlas?

F · Figure / procedure R1 · Distinct contribution to understanding

Expeditio adds elimination of possibilities until one remains as an examinable argumentative operation. The inference depends on justified exclusion and an adequately exhaustive set of alternatives.

Colours and admission grounds

The rectangular label identifies the entry function: F – linguistic figure or procedure; A – analytical concept; G – foundational concept; E – selected concrete case. The rounded badge indicates the admission ground: R1 – distinctive contribution; R2 – necessary foundation; R3 – justified illustrative case. This editorial rationale explains the current selection rather than claiming an undocumented original selection history.

Explanation

Expeditio orders several possible alternatives and rejects them with reasons until one remaining option appears preferable or true. The figure thus moves from an open field towards decision. Its persuasive force arises not only from the final alternative but from the visible examination of its rivals. This is also its danger: if a relevant possibility is missing or an opposing path is only apparently refuted, the orderly form produces false completeness. Expeditio makes inference visible as a route and requires analysis of both the initial set of possibilities and every reason for exclusion.

Movement of thought

1. A question opens several explicitly named possibilities or explanatory paths. 2. Each alternative is tested in turn against criteria, evidence, or consequences. 3. Inadequate paths meet a reasoned exclusion and leave the field. 4. The completeness of the initial set and the validity of every exclusion are counter-checked. 5. One possibility returns not as a bare assertion but as the result of the traversed route.

Scientific use case

Argumentation research can formally represent the possibility space, exclusion premises, and remaining claim. In diagnosis and methodological criticism, researchers can test whether alternatives were complete and treated by equally demanding criteria.

Example

The discrepancy may arise from measurement error, sampling, or a model assumption. Instrument checks are normal and the sample is balanced, so the model assumption becomes the next targeted test.

Counterexample

“It must be the third explanation” is not expeditio when the other possibilities are neither exhaustively stated nor rejected with reasons. A list by itself likewise reaches no decision.

Distinction

Distinguish expeditio from enumeratio, dilemma, dialysis, and apophasis. Enumeratio lists without eliminating; dialysis unfolds cases and consequences, whereas expeditio deliberately removes alternatives.

Effect on thought and perception

Expeditio reduces complexity and supports traceable decision, but incomplete alternatives can turn its orderly movement into deceptive certainty.

Resonance

Several paths open; each untenable route loses its current until the remaining channel carries the gathered attention forward.

Cite this entry

Reich, Michael (Hrsg./ed.): „Expeditio“. Atlas der Sprache, AT-RHE-201-003. ATLAS 260, data model 1.6.0. https://atlasoflanguage.com/concept/AT-RHE-201-003

https://atlasoflanguage.com/concept/AT-RHE-201-003

The address remains stable; editorial content may evolve. Editorial reading state: 2026-10-15. Include your access date for precise references.

Historical background

Peacham describes expeditio as enumerating possible explanations or routes, removing alternatives and resting the conclusion on what remains. His caution is as important as the attractive form: no relevant possibility may be omitted, and the consequence must follow. The historical figure therefore exposes both a disciplined method and a persuasive vulnerability. For the Atlas, eliminating several candidates proves little if the list was never complete. An original diagnostic exercise can ask whether an unmentioned explanation survives the exclusions, or whether an alternative was dismissed merely because it was inconvenient. The English handbook supplies explicit rhetorical use in 1593, not the first occurrence of the Latin-labelled figure. Its examples belong to their legal and religious settings; the transferable object is the structure of elimination and its evidential burden.

How conceptual history changes the analysis

Look for an unlisted candidate and test each exclusion. Eliminating many options proves little if the original list was incomplete.

References for the historical section

  • Henry Peacham, The Garden of Eloquence (1593), Schemates Rhetorical; Perseus transcription · Schemates Rhetorical, Expeditio: alternatives and the caution against omission

    Selected passage, not a complete genealogy or an English first-attestation claim. Original Atlas applications are editorial interpretations, not reported experiments. Named historical passage read in transcription; no complete edition collation or adoption of historical normative assumptions.

  • Henry Peacham, The Garden of Eloquence (1593), Schemates Rhetorical; Perseus transcription · Schemates Rhetorical, Expeditio: alternatives and the caution against omission

    Selected passage, not a complete genealogy or an English first-attestation claim. Original Atlas applications are editorial interpretations, not reported experiments. Named historical passage read in transcription; no complete edition collation or adoption of historical normative assumptions.

Historical source evidence and Atlas applications remain separate; this import does not assert new first attestations or a fresh exhaustive source verification.