Stratification (mathematics)

• Clause (logic)
• Frege
• Grundgesetze der Arithmetik
• Hassler Whitney
• Horn clause
• Interpretation (logic)
• New Foundations
• Predicate (logic)
• René Thom
• Russell's paradox
• Whitney stratification
• atomic formula
• lambda calculus
• locally closed
• mathematical logic
• partition of a set
• singularity theory
• stratified sampling
• topological manifold
• topological space
• topologically stratified space