Symploce

Symploce repeats one expression at the start and another at the end of successive clauses or lines.

Version

v1 · 2026-10-03 · History

Domain-specific #

13656

Aliases

Complexio, Symploche

Core Idea

Symploce is repetition at both ends of successive clauses or lines: one phrase recurs at each beginning and another at each ending.

Scope of Application

Rhetoric and poetics use it to bind a series together while the middle words vary. Rhetorica ad Herennium IV.14.20 gives a classical question–answer series that repeats an initial challenge and a terminal identification while changing the intervening charge.[^ref-c1284c18fa68]

Boundary: Anaphora repeats only beginnings; epistrophe repeats only endings.

Clarity

Mark each clause's beginning and ending; repetition at only one end is another figure.

Manages Complexity

The double frame groups several different propositions into a recognizable sequence.

Abstract Reasoning

Divide a passage into comparable units, compare their openings and endings, and then ask what the changing middles contribute.

Knowledge Transfer

The pattern can appear in prose and verse, but its persuasive effect depends on context.

For example, in this constructed example, “We remember the promise at dawn; we remember the cost at dawn,” the opening and ending repeat while the middle changes. In the ancient handbook's distinct accusatory example, four questions start “Who are they” and close “The Carthaginians”; the charges between them accumulate toward a concluding plea.[^ref-c1284c18fa68]

[^ref-c1284c18fa68]: Rhetorica ad Herennium IV.14.20, English translation of the Interlacement definition and examples.

Neighborhood in Abstraction Space

Symploce sits in a sparse region of the domain-specific corpus (96^th percentile for distinctiveness): few abstractions share its structure, so a faithful description tends to retrieve it precisely.

Family — Syntactic Alignment & Reference Marking (6 abstractions)

Nearest neighbors

• Rhyme — 0.78
• Antilabe — 0.78
• Carryover Effect — 0.77
• Phrase structure rules — 0.77
• Pantoum — 0.76

Computed from structural-signature embeddings · 2026-10-08