Question: 4. (20 points) Let L 0,where 0 is a constant symbol and is a binary rela- tion symbol, show that the number of symbols in

4. (20 points) Let L 0,where 0 is a constant symbol

4. (20 points) Let L 0,where 0 is a constant symbol and is a binary rela- tion symbol, show that the number of symbols in any L-formula is divisible by 3 (this is question 5 in section 1.4.1 in the textbook)

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