已知公式 [tex=4.357x1.357]KIjezV6gRY4epkkkf8ZR6y1mTrkuttJhi0tMGbzX1rE=[/tex]是重言式, 求公式[tex=6.714x1.357]KZrezI6AWDgl/o0NbwSWMaGAwMa56lnpwlxeM7d268LF9XVVAQlGQTMD46ZupcUX[/tex]的成真和成假赋值
举一反三
- 已知公式[tex=5.071x1.357]okShytvk/vqsDHJ50bL+ydjAxJ/oaVK98QIPdwFI7MFPz01xkSPTGN46eLz6e9HU[/tex]是矛盾式,求公式 [tex=7.286x1.357]okShytvk/vqsDHJ50bL+ybQS+I6z9IC4nqixfc1iX4r0NxBHRlX2fkIIxeW+IVHC[/tex]的成真和成假赋值。
- 求下面命题公式的主析取范式、主合取范式、成真赋值、成假赋值。[tex=7.071x1.357]/pqvC2YxPnD6SfCvBfOFiGT1PyB0Hy2S5Q6+0vqqEc7THOguyCYA5ZWZlF8JqJEt[/tex]
- int x = 1, y =6; A: x = 6 y = 0 B: x = 7 y = 0 C: x = 6 y = -1 D: x = 7 y = -1 E: Compilation fails.
- 求下面命题公式的主析取范式、主合取范式、成真赋值、成假赋值。[tex=11.143x1.357]4OiVc/fig4qytSh7/Ezxv+t50uE1YRRXNMuCC/CKaZ3vOfNtLJeE6CekULJceAoy+vYy9E/yeBrRhOBfFE2R7Q==[/tex]
- 已知 x = [6, 9, 8],那么执行语句 x.insert(0, 1)之后,x的值为( )。 A: [1, 6, 9, 8] B: [6, 9, 8, 1] C: [6, 9, 1, 8] D: [6, 1, 9, 8]