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1. Someone is respected by everyone.

xyRyx

2. Kilroy was here.

Hk

3. Onyx is a cat.

Co

4. Neither Onyx nor Hypatia is fat.

~( Fo v Fh )

5. Cyrano loves Roxanne.

Lcr

6. Philosophers dislike politicians.

x( Px y ( Cy Dxy ))

7. Romulans are crafty, but Klingons are dangerous.

x( Rx Cx ) & x( Kx Dx )

8. Christian wins Roxanne only if Cyrano helps him.

Wcr Hnc

9. Freshmen and sophomores are eligible, but juniors are not.

x[( Fx v Sx ) Ex ] &x( Jx ~Ex )

10. Everyone is taller than Desdemona.

xTxd

11. If nothing is impossible, then anything is possible.

~x~Px xPx

12. Nothing works unless nothing is broken.

~~xBx ~xWx

13. Professors like diligent students.

x( Px y[( Dy & Sy ) Lxy ])

14. If anyone is captain, then no Vulcan is.

xCx ~x( Vx & Cx )

15. Everything is mortal or immortal and any worshipped deity is immortal.

x( Mx v ~Mx ) &x[( Wx & Dx ) ~Mx ]

16. Only gods are immortal only if every human is mortal.

~x( ~Gx & ~Mx ) x( Hx Mx )

17. The only dangerous pets are spiders or snakes.

x[( Dx & Px ) ( Sx v Kx )]

18. No one who has survived a shipwreck is not protected by Neptune.

~x[y( Wy & Sxy ) & ~Pnx ]

19. All students like some professor who likes them.

x( Sx y[( Py & Lyx ) & Lxy ])

20. No cat wants any dog unless every dog has a mouse.

~x( Dx y( My & Hxy )) ~x( Cx &y( Dy & Wxy ))

21. Every gangster is feared by some obsequious lackey.

x( Gx y[( Oy & Ly ) & Fyx ])

22. There are no unspeakable truths.

~x( ~Sx & Tx )

23. All cows are sacred or all cows fly.

x( Cx Sx ) vx( Cx Fx )

24. Anyone who lives in an apartment is a senior.

x(y( Ay & Lxy ) Sx )

25. George does not like anyone, but everyone likes George.

~xLgx &xLxg

26. Someone who is lying hates anyone who always tells the truth.

x[Lx &y( Ty Hxy )]

27. No overpaid player does not play for the Bulls.

~x[( Ox & Px ) & ~Lxb ]

28. Riker is liked by no one, unless he defeats all Romulans.

~x( Rx Drx ) ~yLyr

29. Some students are failing every class they have, but some are not.

x( Sx &y[( Cy & Hxy ) Fxy ]) &x( Sx & ~y[( Cy & Hxy ) Fxy ])

30. Only those not beyond suspicion are lying.

~x( Bx & Lx )

31. If the universe began, then the universe will end.

Bu Eu

32. If a spy is nearby, then no one is safe.

x( Sx & Nx ) ~xFx

33. Every play written by Shakespeare is better than any movie.

x[( Px & Wsx ) y( My Bxy )]

34. Since no electron has positive charge, nothing with positive charge is an electron.

~x( Ex & Px ) ~x( Px & Ex )

35. Some pets are not cats or dogs.

x( Px & ~( Cx v Dx ))

36. Only mistakes make Mike mad.

~x(~Mx & Dxm )

37. The only rich soccer players are good athletes or obnoxious snobs.

x{( Rx & Sx ) [( Gx & Ax ) v ( Ox & Nx )]}

38. Everything is sacred unless someone is despicable, in which case nothing is sacred.

( ~xDx xSx ) & (xDx ~xSx )

39. No student has read every book in the library.

~x( Sx &y[( By & Iyl ) Rxy ])

40. No evil act shall go unpunished.

~x[( Ex & Ax ) & ~Px ]

41. Dinosaurs and birds have a common ancestor.

xy[( Dx & By ) z( Azx & Azy )]

42. Demanding professors challenge all of their students.

x[( Dx & Px ) y( Syx Cxy )]

43. Everyone who respects oneself is respected by everyone who respects someone.

x[ Rxx y(zRyz Ryx )]

44. Not everyone is incorruptible if and only if the only role models are corruptible.

~x~Cx x( Rx Cx )

45. Bill is president and Bob is not.

Pb & ~Po

46. Diligent students who study hard and like all their professors always pass.

x({[( Dx & Sx ) & Hx ] &y(Pyx Lxy )} Ax )

47. No student who does not respect him or herself is respected by every student.

~x[( Sx & ~Rxx ) &y( Sy Ryx )]

48. If anyone likes anyone who loves no one, then he or she loves no one too.

x[y( ~zLyz & Kxy ) ~zLxz ]

49. Anyone taller than Tim is taller than every basketball player shorter than the tallest jockey.

x{ Txt y[( By & Syj) Txy ]}

50. Everyone has reached the end.

xRxe