| Introductory Logic |
Quiz #9
|
November 21, 2005
|
|
|
||
| Name______________________ |
R. Hammack
|
Score _________
|
| (1) | Dinner was good, but it wasn't cheap. |
| Gd • ~Cd (G ="is good," C = "is cheap," d = "dinner") |
| (2) | Some negative campaign strategies are not effective. |
| (∃ x)(Nx • ~Ex) (N ="is negative campaign strategy," E = "is effective") |
| (3) | Europe needs a new identity. |
| Ne (N ="needs new identity," e = "europe") |
| (4) | If some people cheat their insurance companies, then all policy holders suffer. |
| (∃ x)(Px • Cx) ⊃ (x)(Hx ⊃ Sx) (P ="is person," C = "cheats their insurance company", H ="is policy holder" S = "suffers") |
| (5) | No sport utility vehicle gets good gas milage unless it's rolling downhill in neutral. |
| (x)(Sx ⊃ (~Rx ⊃ ~Mx)) or
(x)(Sx ⊃ (Mx
⊃ Rx)) or
(x)((Sx • Mx) ⊃ Rx) (S ="is SUV," R = "is rolling downhill in neutral", M ="gets good gas milage") |