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Fold-in

fold_in · procedural · validated

Fold one page lengthwise onto another and read across the join.

Provenance

  • Source: William S. Burroughs, The Third Mind (1978)
  • Attribution: primary — a named author, work and year this catalogue stands behind
  • Checkability: source — decidable against the source text it was made from
  • Attested: author-stated — the originator set this rule down

Details

  • Kind: constructive
  • Languages: en, de
  • Requires: tokens
  • Deterministic: yes
  • In other languages: Fold-in (de), Fold-in (fr)

Prompt hint

Interleave the left half of one passage with the right half of another, line by line.

Parameters

Name Type Default Description
source string — The text this one was made from.

Examples

left-half-joined-to-right-half

en — this text satisfies the procedure.

alpha beta three four
five six ten

Parameters: source='alpha beta gamma delta\nfive six seven\n\none two three four\neight nine ten'

Source: constructed example; the procedure is Burroughs and Gysin's fold-in

unfolded-page-one-fails

en — this text does not satisfy the procedure.

alpha beta gamma delta
five six seven

Parameters: source='alpha beta gamma delta\nfive six seven\n\none two three four\neight nine ten'

Source: constructed counterexample

linke-haelfte-mit-rechter-haelfte-verbunden

de — this text satisfies the procedure.

eins zwei zehn elf
fuenf sechs vierzehn

Parameters: source='eins zwei drei vier\nfuenf sechs sieben\n\nacht neun zehn elf\nzwoelf dreizehn vierzehn'

Source: constructed example; the procedure is Burroughs and Gysin's fold-in

ungefaltete-seite-eins-scheitert

de — this text does not satisfy the procedure.

eins zwei drei vier
fuenf sechs sieben

Parameters: source='eins zwei drei vier\nfuenf sechs sieben\n\nacht neun zehn elf\nzwoelf dreizehn vierzehn'

Source: constructed counterexample