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---
title: 原始递归函数 (Primitive Recursive Functions)
created: 2025-04-15
updated: 2026-05-01
type: concept
tags: []
sources: []
---
# 原始递归函数 (Primitive Recursive Functions)
- **领域**: 可计算性理论
- **来源**: [[godel-incompleteness-tutorial|哥德尔不完备定理教程]]
## 概述
从基本函数(零函数 Z(x)=0、后继 S(x)=x+1、投影函数出发通过复合和原始递归操作构造的函数类。包含大多数常见数论函数加法、乘法、指数等但并非所有可计算函数如阿克曼函数不可原始递归
在哥德尔证明中原始递归函数用于证明关键元数学关系Proof、Prov、Sub在[[peano-arithmetic|PA]]中的[[godel-numbering|可表示性]]。
> 📌 *占位符页面 — 待补充完整内容。*
## 相关概念
[[godel-numbering]] · [[godel-incompleteness-theorems]] · [[computability-theory]]