If all men were good, there would be no wars.
Some men are not good. Therefore, there will be wars.
I am confused on what sign to use on the some part.
2025-01-13 02:29:06.1736735346
If all men were good, there would be no wars
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Here, you can use the existential quantifier.
Basically, the symbol $\exists$ is the same as saying "there exists," so if you say: $$(\exists man)(\sim\text{good}(man))$$ You're basically saying, "there exists a man such that the man is not good." This is the same as saying "Some man is not good." Thus, using quantifiers, we use the existential quantifier $\exists$ to signify the words "there exists" or "some," which mean the same thing.
Also, as @lulu pointed out, your argument is not valid, but you can still write out the argument using quantifiers and logical symbols.