Information, Quantum Computing, Physics.
guessing is when for the orthogonal case |ψ1> ⊥ | ψ2> (such as we might get comparing the standard 0/1 basis with the +/- basis using terms familiar to those in quantum computer field) — for a definition of the +/- basis see my prior post “Quibbling Over Qubits”. (there’s just not a good