Elementary function arithmetic
id:
elementary-function-arithmetic-323-15916055
title:
Elementary function arithmetic
text:
In proof theory, a branch of mathematical logic, elementary function arithmetic (EFA), also called elementary arithmetic and exponential function arithmetic, is the system of arithmetic with the usual elementary properties of 0, 1, +, ×, x y , together with induction for formulas with bounded quantifiers. EFA is a very weak logical system, whose proof theoretic ordinal is ω 3 , but still seems able to prove much of ordinary mathematics that can be stated in the language of first-order arithmeti
brand slug:
wiki
category slug:
encyclopedia
description:
System of arithmetic in proof theory
original url:
https://en.wikipedia.org/wiki/Elementary_function_arithmetic
date created:
date modified:
2023-08-22T20:32:57Z
main entity:
{"identifier":"Q5358906","url":"https://www.wikidata.org/entity/Q5358906"}
image:
fields total:
13
integrity:
14