-∀H0:∀A:Univ.∀B:Univ.∀C:Univ.eq Univ (nand (nand (nand A (nand B C)) A) (nand C (nand A B))) C.eq Univ (nand a (nand b (nand a c))) (nand (nand (nand c b) b) a)
+∀H0:∀A:Univ.∀B:Univ.∀C:Univ.eq Univ (nand (nand (nand A (nand B C)) A) (nand C (nand A B))) C.eq Univ (nand a (nand b (nand a c))) (nand (nand (nand c b) b) a))