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1. Pj→Vx(FX→GX) &Rj, ~Vx(Fx¬→Gx) F~Pj 2. Pj→Vx(FX→GX), Vx(Fx→Gx) → Rj, Rj →Pj, ~Pj F ~vx(FX→GX) 3. 3x(FxvGx) &-3x(FxvGx) -VXFX 4. VXPX→QQ , Qa→→VxPx | VXPX→319(((Gr&Gy)&xty)&V=(Gz→x==vy=:)) 5. VxPxv(Rg&Tg)- ~V×PX→(Rg&Tg)

1. Pj→Vx(FX→GX) &Rj, ~Vx(Fx¬→Gx) F~Pj 2. Pj→Vx(FX→GX), Vx(Fx→Gx) → Rj, Rj →Pj, ~Pj F ~vx(FX→GX) 3. 3x(FxvGx) &-3x(FxvGx) -VXFX 4. VXPX→QQ , Qa→→VxPx | VXPX→319(((Gr&Gy)&xty)&V=(Gz→x==vy=:)) 5. VxPxv(Rg&Tg)- ~V×PX→(Rg&Tg)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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For each of the followingsequents, provide a proof that demonstrates their validity. All of the proofs in this problem set can be completed with SL rules (and no other rules).

1. Pj→Vx(Fx→Gx) &Rj, ~Vx(Fx→→Gx) -~Pj 2. Pj→Vx(FX→GX), Vx(FX→GX) → Rj, Rj →Pj, ~Pj F x(FX→GX) 3. 3x(FxvGx) &~3x(FxvGx) - VXFX 4. VXPX→Q2 , Qa→ VxPxFvxPx→3ry(((Gr&Gy)&x+y)&v=(Gz→x=zvy=:)) 5. VxPxv(Rg&Tg)- ~×PX→(Rg&Tg)
Transcribed Image Text:1. Pj→Vx(Fx→Gx) &Rj, ~Vx(Fx→→Gx) -~Pj 2. Pj→Vx(FX→GX), Vx(FX→GX) → Rj, Rj →Pj, ~Pj F x(FX→GX) 3. 3x(FxvGx) &~3x(FxvGx) - VXFX 4. VXPX→Q2 , Qa→ VxPxFvxPx→3ry(((Gr&Gy)&x+y)&v=(Gz→x=zvy=:)) 5. VxPxv(Rg&Tg)- ~×PX→(Rg&Tg)
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