Module triangulation 

Epistemic Triangulation Protocol

Implements multi-source verification for claims achieving +50% false claim rejection.

Scientific Foundation

Based on:

• Du Bois triangulation methodology
• PNAS 2025 research on fact-checking infrastructure
• Epistemic anchor theory

Core Principle

┌─────────────────────────────────────────────────────────────────────┐
│                  TRIANGULATION PROTOCOL                             │
├─────────────────────────────────────────────────────────────────────┤
│                                                                     │
│   SOURCE A (Primary) ──────┐                                       │
│   • Official/Authoritative │                                       │
│   • Tier 1: Weight 1.0     ├─────► CLAIM ◄─────┐                   │
│                            │                    │                   │
│   SOURCE B (Secondary) ────┘                    │                   │
│   • Different domain                            │                   │
│   • Tier 2: Weight 0.7    ───────► VERIFIED ◄──┤                   │
│                                                 │                   │
│   SOURCE C (Independent) ──────────────────────┘                   │
│   • Different author                                               │
│   • Tier 3: Weight 0.4                                             │
│                                                                     │
│   MINIMUM REQUIREMENT: 3 independent sources                       │
└─────────────────────────────────────────────────────────────────────┘

Usage

use reasonkit::thinktool::triangulation::{Triangulator, Source, SourceTier};

let triangulator = Triangulator::new();
let claim = "AI will reach AGI by 2030";

triangulator.add_source(Source::new("OpenAI Research Paper", SourceTier::Primary));
triangulator.add_source(Source::new("DeepMind Analysis", SourceTier::Secondary));
triangulator.add_source(Source::new("Academic Survey", SourceTier::Independent));

let result = triangulator.verify()?;

Structs

Source

A source for triangulation

TriangulationConfig

Configuration for triangulation

TriangulationIssue

TriangulationPrompts

Prompt templates for triangulation

TriangulationResult

Result of triangulation

Triangulator

The triangulation engine

Enums

IssueSeverity

SourceTier

Source tier classification

SourceType

Source type classification

Stance

TriangulationIssueType

VerificationConfidence

VerificationRecommendation