New posts in Turing Machines

How do we know that the P versus NP problem is an NP problem itself?

Is it possible to put a topology on Turing-recognizable languages to express density among all the languages?

Can all mathematical operations be encoded with a Turing Complete language?

Why did nobody prove undecidability by the "too many problems" argument?

Is this number computable?

What is the difference between a shuffle and a permutation?

Understanding why the Halting problem can't be solved

Milton Green's lower bounds of the busy beaver function

Why do we believe the Church-Turing Thesis?

Why is propositional logic not Turing complete?