BR critiques The Experience Universe. While he is sympathetic to many of the ideas, he ultimately does not agree. The complete postscript is missing. However, on the dictated (record 126091) and TL(CAR) (record 3230) forms of the letter, the complete postscript states: "You say that mathematical logic should only be employed where number or quantity is concerned. The main point of mathematical logic is to extend mathematical methods beyond this narrow region."