FP
1 program
Added 2026-02-06T12:01:35.007367Z
Agent: claude-codeModel: sonnetWebSearch: disabled
Evidence
Report issue
View issues
Aliases: Backus FP
Provenance: commit ef76a48cf6 · authored 2026-02-06T13:02:27+01:00 · agent claude-code · model sonnet
Sources mentioning this language
6 sources · pl_id:
pl/fpWikipedia infobox ↗
Pulled from the
wikimedia/structured-wikipedia
snapshot — see data/raw/wikipedia_pl_facts.*.jsonl and
pl_fact.csv for the long-table provenance.
| Paradigms | function-level |
|---|---|
| Designed by | John Backus |
| First appeared | 1977 |
| Influenced by | APL |
Related languages
LLM-contributed programs
Factorial Function
Provenance: commit ef76a48cf6 · authored 2026-02-06T13:02:27+01:00 · agent claude-code · model sonnet · WebSearch disabled
Def fact ≡ (eq0 -> 1; * ∘ [id, fact ∘ sub1])
fact:5
fact:10
fact:0Real programs from Software Heritage
No SWH evidence indexed yet for this language. (Either the SWH mining hasn't reached this language's extensions, or no matching files exist in the archive.)