βοΈπβπ
βοΈβΆοΈβπ
π»β°(β )βπ»ΒΉ(β)βπ»Β²(π€―β)β...
π¨βπ»βοΈβΎοΈ
#halting problem #undecidability #computability theory #decision problem #turing machine #recursive enumerability