Reverse mathematics

GPTKB entity

Statements (36)
Predicate Object
gptkbp:instanceOf field of mathematical logic
gptkbp:aims_to_determine minimal axioms needed to prove theorems
gptkbp:analyzes theorems of mathematics
gptkbp:appliesTo gptkb:classical_mathematics
gptkb:algebra
gptkb:set_theory
analysis
combinatorics
gptkbp:central_question which axioms are required to prove a given theorem
gptkbp:developedBy gptkb:Harvey_Friedman
gptkbp:focusesOn subsystems of second-order arithmetic
gptkbp:further_developed_by gptkb:Stephen_Simpson
gptkbp:has_five_main_subsystems gptkb:Π^1_1-CA_0
gptkb:ATR_0
ACA_0
RCA_0
WKL_0
gptkbp:has_main_result many theorems are equivalent to one of the five subsystems
gptkbp:hasApplication analyzing independence results
classifying mathematical statements
mathematical logic education
understanding logical strength of theorems
gptkbp:hasConcept equivalence of theorems and axioms
gptkbp:hasMethod reversing theorems to axioms
https://www.w3.org/2000/01/rdf-schema#label Reverse mathematics
gptkbp:main_framework gptkb:second-order_arithmetic
gptkbp:notableContributor gptkb:Stephen_G._Simpson
gptkbp:publishedIn gptkb:Subsystems_of_Second_Order_Arithmetic
gptkbp:relatedTo computability theory
foundations of mathematics
proof theory
gptkbp:studies gptkb:axiomatic_foundations_of_mathematics
gptkbp:studies_equivalence_over RCA_0
gptkbp:uses_base_system RCA_0
gptkbp:bfsParent gptkb:The_foundations_of_mathematics
gptkbp:bfsLayer 7