Philosophy - HELP

How would you construct a proof to show that the following arguments are valid?

1. TvH
2. T→G
3. ~H ֶG



1. ~~A
2. ~A v C ֶC



1. S • T
2. (S • T) → G
3. G →(H v B) ֶ H v B




1. A →B
2. C →D
3. A v C
4. ~D ֶ B

  1. 👍 0
  2. 👎 0
  3. 👁 74
asked by Ann

Respond to this Question

First Name

Your Response

Similar Questions

  1. Philosophy

    How would you construct a proof to show that the following arguments are valid? 1. TvH 2. T→G 3. ~H ֶG 1. ~~A 2. ~A v C ֶC 1. S • T 2. (S • T) → G 3. G →(H v B) ֶ H v B 1. A →B 2. C →D 3. A v C 4. ~D ֶ B

    asked by Ann on March 30, 2008
  2. crt

    Fill in the blanks where called for, and answer true or false where appropriate. 1. Valid arguments are said to be strong or weak. 2. Valid arguments are always good arguments. 3. Sound arguments are ________ arguments whose

    asked by Me on March 15, 2009
  3. Philosophy

    a) Using long or short truth tables (symbolize as necessary and show tables) determine and state whether the following arguments are valid, briefly explaining your table; and b) if valid, demonstrate validity by deductions using

    asked by Anne on December 13, 2006
  4. crt 205

    I need to identify two arguments and define the premises and conclusion. I have to tell weather it is deductivly valid or inductivlely strong or in valid or weak and why. In the appendix 1 article Controlling Irrational Fears

    asked by Lily on November 22, 2009
  5. math for liberal arts

    construct a truth table to determine whether each argument is valid. Be sure to state whether it is valid or invalid with each question. 1) ~p v q p ____ triangle of dots p^~q

    asked by Sara on November 30, 2013
  6. CRT 205

    your response to the following: Of the two arguments provided in the digital story, which is valid and which is sound? When you are building an argument for an issue that is significant to you, do you think it is more important to

    asked by Anonymous on October 3, 2009
  7. crt 205 critical thinking

    Post your response to the following: Of the two arguments provided in the digital story, which is valid and which is sound? When you are building an argument for an issue that is significant to you, do you think it is more

    asked by Davisha on February 3, 2009
  8. Law

    what is the appropriate level of proof for showing a valid Miranda waiver? Proof beyond a reasonable doubt, Probable cause, Preponderance of evidence, Clear and convincing evidence

    asked by Hai on May 6, 2017
  9. English II

    Roosevelt is arguing that journalists must only attack misconduct when they have valid proof. They must not dig just for the sake of digging; it is offensive to good Americans. Which statement most effectively argues against this

    asked by Jessie on March 1, 2016
  10. English

    Roosevelt is arguing that journalists must only attack misconduct when they have valid proof. They must not dig just for the sake of digging; it is offensive to good Americans. Which statement most effectively argues against this

    asked by sarah on March 8, 2016

More Similar Questions