Logic is an ancient discipline that has undergone striking modern developments through the introduction of rigorous formal methods, stimulated largely by foundational problems in mathematics.

Some of the most important developments of symbolic logic took place in the 1920s. Foremost among them are the distinction between syntax and semantics and the formulation of questions of completeness ...

"All tests of quantum supremacy algorithms, entangled qubits, and superposition suggest the same result: what we truly need is Symbolic Logic -a new foundation that extends the Church-Turing ...