Browsing all problems

  • Chapter Three #12

    • 1) R → M
    • 2) R
    Conclusion: M
    Solve!

  • Chapter Three #13

    • 1) D
    • 2) -B → C
    • 3) D → -B
    Conclusion: C
    Solve!

  • Chapter Three #14

    • 1) E → G
    • 2) ( E → G ) → ( G → F )
    • 3) E
    Conclusion: F
    Solve!

  • Chapter Four #1

    • 1) ( E & G) → (A → -D)
    • 2) G → E
    • 3) A & (G & -L)
    Conclusion: -D & -L
    Solve!

  • Chapter Four #2

    • 1) A↔K
    • 2) A
    Conclusion: A & K
    Solve!

  • Chapter Four #3

    • 1) A → B
    • 2) B → A
    • 3) E
    Conclusion: (A ↔ B) & E
    Solve!

  • Chapter Eight #2

    • 1) -(R→M)
    • 2) (R&E)→-T
    • 3) E
    Conclusion: -(T∨M)
    Solve!

  • Chapter Eight #3

    • 1) E→R
    • 2) M→-R
    • 3) -E→--L
    Conclusion: -L∨--M
    Solve!

  • Chapter Seven #1

    • 1) Z→M
    • 2) -M
    Conclusion: -Z
    Solve!

  • Chapter Seven #2

    • 1) -W→-S
    • 2) S
    Conclusion: W
    Solve!

  • Chapter Three #1

    • 1) E→R
    • 2) E
    Conclusion: R
    Solve!

  • Chapter Three #3

    • 1) G
    • 2) G→M
    Conclusion: M
    Solve!

  • Chapter Three #4

    • 1) K→R
    • 2) E→K
    • 3) E
    Conclusion: R
    Solve!

  • Chapter Three #5

    • 1) (M→F)→L
    • 2) E→(M→F)
    • 3) E
    Conclusion: L
    Solve!

  • Chapter Three #6

    • 1) N
    • 2) N→D
    • 3) N→(D→F)
    Conclusion: F
    Solve!

  • Chapter Three #7

    • 1) (H→F)→(M→R)
    • 2) E→(H→F)
    • 3) E
    • 4) M
    Conclusion: R
    Solve!

  • Chapter Three #8

    • 1) A→(B→(C→D))
    • 2) A
    • 3) B
    Conclusion: C→D
    Solve!

  • Chapter Three #9

    • 1) -H→(W→N)
    • 2) E→-H
    • 3) E
    • 4) W
    Conclusion: N
    Solve!

  • Chapter Three #10

    • 1) (F→-A)→S
    • 2) H→(F→-A)
    • 3) H
    • 4) S→(R→B)
    • 5) R
    Conclusion: B
    Solve!

  • Chapter Three #11

    • 1) A→(E→D)
    • 2) B→E
    • 3) B
    • 4) A
    • 5) D→-F
    Conclusion: -F
    Solve!

  • Chapter Four #4

    • 1) (A&B)→C
    • 2) A
    • 3) B
    Conclusion: C
    Solve!

  • Chapter Four #5

    • 1) E→R
    • 2) J&E
    • 3) R→-M
    Conclusion: J&-M
    Solve!

  • Chapter Four #6

    • 1) A↔G
    • 2) A→(L&R)
    • 3) G&M
    • 4) R→D
    Conclusion: D
    Solve!

  • Chapter Four #7

    • 1) E&A
    • 2) A↔P
    Conclusion: P&E
    Solve!

  • Chapter Four #8

    • 1) -K&-L
    • 2) -L→W
    • 3) -K→M
    Conclusion: W&M
    Solve!

  • Chapter Four #9

    • 1) F→(C&N)
    • 2) C→(H&E)
    • 3) (N&H)→K
    • 4) F
    Conclusion: K
    Solve!

  • Chapter Four #10

    • 1) L→(H→S)
    • 2) E→L
    • 3) E&(S→H)
    Conclusion: H↔S
    Solve!

  • Chapter Four #11

    • 1) (B↔D)→(H&E)
    • 2) (H→R)&(B→D)
    • 3) D→B
    Conclusion: R&E
    Solve!

  • Chapter Four #13

    • 1) M↔L
    • 2) (L&E)→W
    • 3) M
    • 4) E
    Conclusion: W
    Solve!

  • Chapter Four #12

    • 1) T→(J&H)
    • 2) T↔(W&B)
    • 3) B&E
    • 4) W
    • 5) (H&E)→C
    Conclusion: C&J
    Solve!

  • Chapter Four #14

    • 1) K&F
    • 2) J↔F
    Conclusion: J&K
    Solve!

  • Chapter Four #16

    • 1) T&W
    • 2) (P&A)↔W
    Conclusion: P&T
    Solve!

  • Chapter Four #15

    • 1) A
    • 2) B
    • 3) C
    • 4) D
    Conclusion: ((A&C)&B)&D
    Solve!

  • Chapter Four #17

    • 1) E↔D
    • 2) D→M
    • 3) -K→E
    • 4) -K
    Conclusion: M
    Solve!

  • Chapter Four #18

    • 1) J↔(E&H)
    • 2) E
    • 3) H&F
    Conclusion: J&F
    Solve!

  • Chapter Four #19

    • 1) -M→-Q
    • 2) A&(-Q→-M)
    • 3) A→-F
    Conclusion: -F&(-Q↔-M)
    Solve!

  • Chapter Three Sample Quiz #1, Question 2

    • 1) P→J
    • 2) (P→J)→B
    • 3) B→R
    Conclusion: R
    Solve!

  • Chapter Three Sample Quiz #1, Question 3

    • 1) Y→(E→(W→S))
    • 2) W
    • 3) E
    • 4) Y
    Conclusion: S
    Solve!

  • Chapter Three Sample Quiz #2, Question 2

    • 1) H→-R
    • 2) (H→-R)→(B→E)
    • 3) (B→E)→P
    Conclusion: P
    Solve!

  • Chapter Three Sample Quiz #2, Question 3

    • 1) K
    • 2) N→D
    • 3) K→((N→D)→J)
    • 4) J→A
    Conclusion: A
    Solve!

  • Chapter Three Sample Quiz #3, Question 2

    • 1) A
    • 2) A→(M→-H)
    • 3) M
    Conclusion: -H
    Solve!

  • Chapter Three Sample Quiz #3, Question 3

    • 1) (P→G)→(K→R)
    • 2) K
    • 3) R→S
    • 4) P→G
    Conclusion: S
    Solve!

  • Chapter Three Packet #10

    • 1) (N → H) → (J → F)
    • 2) N → H
    • 3) (J → F) → K
    Conclusion: K
    Solve!

  • Chapter Four Sample Quiz #1, Question #2

    • 1) A
    • 2) (A&R)→M
    • 3) R
    • 4) M↔T
    Conclusion: T
    Solve!

  • Chapter Four Sample Quiz #1, Question #3

    • 1) H→(-B&W)
    • 2) H&S
    Conclusion: W
    Solve!

  • Chapter Four Sample Quiz #2, Question #2

    • 1) A→(B→C)
    • 2) M↔A
    • 3) M&B
    Conclusion: C
    Solve!

  • Chapter Four Sample Quiz #2, Question #3

    • 1) (S↔E)→K
    • 2) S→E
    • 3) L→(E→S)
    • 4) L
    Conclusion: K
    Solve!

  • Chapter Four Sample Quiz #3, Question #2

    • 1) P↔H
    • 2) H→R
    • 3) P&-E
    Conclusion: R&-E
    Solve!

  • Chapter Four Sample Quiz #3, Question #3

    • 1) M
    • 2) Z→(K&F)
    • 3) Z↔M
    Conclusion: F
    Solve!

  • Chapter Four Sample Quiz #4, Question #2

    • 1) -P→(U&J)
    • 2) U→(N&R)
    • 3) -P
    Conclusion: N&J
    Solve!

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