Thinking·OS

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Axiom of choice depends on Function. Activate to inspect this relation.Cartesian coordinate system enables Function. Activate to inspect this relation.Category theory applies to Function. Activate to inspect this relation.Continuous function is a Function. Activate to inspect this relation.Differential equation is a Equation. Activate to inspect this relation.Dynamical systems applies to Function. Activate to inspect this relation.Empowerment influences Inequality. Activate to inspect this relation.Fourier analysis applies to Function. Activate to inspect this relation.Function is a Relation. Activate to inspect this relation.Function composition applies to Function. Activate to inspect this relation.Function depends on Set. Activate to inspect this relation.Function depends on Variable. Activate to inspect this relation.Inequality is analogous to Equation. Activate to inspect this relation.Inequality applies to Optimization. Activate to inspect this relation.Linear equation is a Equation. Activate to inspect this relation.Linear equation is part of System of linear equations. Activate to inspect this relation.Morphism is analogous to Function. Activate to inspect this relation.Quadratic equation is a Equation. Activate to inspect this relation.Random variable is a Variable. Activate to inspect this relation.Slope is part of Linear equation. Activate to inspect this relation.Variable is part of Equation. Activate to inspect this relation.Quadratic equationEquationDifferential equationVariableLinear equationInequalityRandom variableFunctionSystem of linear equationsSlopeOptimizationEmpowermentRelationAxiom of choiceCategory theoryContinuous functionDynamical systemsFourier analysisMorphismSetCartesian coordinate systemFunction composition
Relationship types

19 concepts viewed through this lens. Bridge concepts connect this view to Acoustics, Arithmetic, Audio Engineering, Biology….

Legend
  • Focused concept
  • Connected concept
  • Bridge concept (just outside the lens)
  • Arrow points from cause / source to effect / target
  • A line with no arrow is a two-way relationship
  • Node colour marks the concept’s primary discipline
22 concepts21 relationships17 disciplines5 relation families

Quadratic equation

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At a glance

In mathematics, a quadratic equation is an equation that can be rearranged in standard form as where the variable ⁠⁠ represents an unknown number, and a, b, and c represent known numbers, where a ≠ 0. The numbers a, b, and c are the coefficients of the equ…

Disciplines
Mathematics · Algebra
Role in the graph
Leaf concept
Relationships
1 · 1 relation families

What am I looking at?

In this lens (19)

Bridge concepts (34)

Just outside the lens — they connect it to other context.

Insights from this view

Structural observations about the concepts shown here — descriptions of this graph, not claims about the world.

  • This view connects 17 disciplines: Algebra, Business, Calculus, Category Theory, Discrete Mathematics, Economics, Engineering, Geometry, Linear Algebra, Logic, Mathematical Modelling, Mathematics, Optimization, Probability, Set Theory, Social Work, Systems Engineering.
  • Quadratic equation is a bridge concept — viewed here through Algebra, Mathematics.
  • The connections here span 5 relation families.
  • Constraints explains 2 concepts in this view (Algebra, Business, Economics, Engineering, Mathematical Modelling, Mathematics, Optimization, Systems Engineering).

Relationships as a list

The focused concept’s relationships. Pick another concept in the graph above to update this list.

Explore through a different lens

A lens is a deterministic projection of the graph. Pick a discipline, thinking pattern or journey to reframe the whole view.

By discipline

ChemistryBiologyPhysicsMathematicsComputer ScienceGeologyMineralogyEconomics

By thinking pattern

Bayesian updatingCause and effectCompoundingConservationConstraintsDefense in depthDiffusion & spreadEmergenceEnergy transformationEntropy & irreversibilityEquilibriumFeedback loopIncentivesInformationLevels & hierarchyModularityNetworksOptimizationOscillationProbabilityRecursion & self-similarityScaleSignal vs noiseSource–pathway–receptorStocks and flowsSymmetry & invarianceThresholds & tipping pointsTrade-offsTriangulationVariation & selectionWaves

By journey

From a Leaf to the ClimateWhy Music Moves UsHow Machines LearnReasoning about a Leaf and the Climate

Concept collections

Concept collections are curated lenses onto the fabric — themed sets of ideas that recur across disciplines. They are not journeys; they are a way to read the graph.

About this view

What this is

Start from one concept and expand outward. The view never shows everything at once — click a node to refocus, filter by relationship type, or switch to an accessible list.

One fabric

3750 concepts and 5051 typed relations form one connected component — no isolated silo.

How to read it

Focus a concept, or apply a lens (discipline, mental model, journey) to see only the threads that matter.