Task: Text Simplification
Input (English): In computability theory , the Church – Turing thesis ( also known as computability thesis , the Turing – Church thesis , the Church – Turing conjecture , Church 's thesis , Church 's conjecture , and Turing 's thesis ) is a hypothesis about the nature of computable functions .
Output (English): The Church-Turing thesis ( also known as Church 's thesis , Church 's conjecture and Turing 's thesis ) is a statement about computers .