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informal logic

branch of logic related to reasoning and argumentation
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informal logic

Summary

informal logic has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[1]

Key Facts

  • informal logic is a type of logic[2].
  • informal logic is the opposite of formal logic[3].
  • informal logic's described by source is recorded as Lean Logic[4].

Body

Definition and Type

informal logic is a type of logic[2]. It is the opposite of formal logic[3].

Why It Matters

informal logic has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[1] It is known by 3 alternative names across languages and contexts.[5]

Related Entities

formal logic Lean Logic

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikidata sitelinks. wikidata.org.
  2. [5] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). informal logic. Retrieved April 10, 2026, from https://4ort.xyz/entity/informal-logic
MLA “informal logic.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/informal-logic.
BibTeX @misc{4ortxyz_informal-logic_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{informal logic}}, year = {2026}, url = {https://4ort.xyz/entity/informal-logic}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): informal logic — https://4ort.xyz/entity/informal-logic (retrieved 2026-04-10)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 3d ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    Described by source → Lean Logic
    P14541 → 45Gs3F
    Aliases → —
    Subclass of → —
    + 2 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.