caption: a quantum theorem for the following circuit
exif: {"Image DocumentName": "Classical to Quantum Deutsch", "Image ImageDescription": "controlled-NOT. + NOT 2nd bit. identity NOT 2nd bit. controlled-NOT. Convert to quantum gates. Deutsch\u2019s (Quantum) Problem: How many times do we have to use these quantum gates to determine whether we are given the first two or the second two?", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}