My first and second steps towards AI

I got an Acorn Atom for my sixteenth birthday, in 1981. 1 MHz, 8 bits, 512 bytes free RAM for BASIC or Assembly. One of my first programs was “AI”: I would enter: >Fido is a dog>Dogs have legs>Does Fido have legs? It would output: >Yes because Fido is a dog and dogs have legs. […]