By proving a broader version of Hilbert’s famous 10th problem, two groups of mathematicians have expanded the realm of ...

The problem for the lab-leak position is that the U.S. has never had access to the Wuhan lab and has thus been unable to ...

Truth and Proof The antinomy of the liar, a basic obstacle to an adequate definition of truth in natural languages, reappears in formalized languages as a constructive argument showing not all ...