Proof of validity-1

# Proof of validity-1 - Short(brief/indirect truth-table...

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single combination of truth values between A and B will never produce all true premises and a false conclusion . This only happens due to the way the sentences are related by the logical connectives ( &, v, ->, <->, ~ ) within the argument. It is that relation which either allows for all true premises and a false conclusion, proof of invalidity, or it blocks the possibility of all true premises and a false conclusion, the proof of validity. Very important: validity and invalidity are a function (a property) of an argument given the way the atomic sentences (A, B, etc.) are related. We (or anyone) cannot make a given argument valid or invalid, they are valid or invalid as a result of the already existing relation
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Proof of validity-1 - Short(brief/indirect truth-table...

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