Logical Reasoning

PT130 · S1 · Q25 If a wig has any handmade

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If a wig has any handmade components, it is more expensive than one with none.

Evidence

If a wig has any handmade HMC → ME components, it is more expensive than one with none.

A made-to-measure wig MM → M-E ranges from medium- priced to expensive.

Handmade foundations ~HH → ~HMF are never found on wigs that do not use human hair.

Any wig that contains HH → DC human hair should be dry cleaned.

Conclusion

All made-to-measure wigs MM → DC should be dry cleaned.

Evaluate

The argument assumes that M-E → HMF if a wig is medium-priced to expensive, then it has a handmade foundation.

MM → M-E -assumption→ HMF → HH → DC

25.

The conclusion of the argument follows logically if which one of the following is assumed?

  1. Correct

    Any wig whose price falls

    Why this is right

    This bridges the gap M-E → HMF between medium- priced to expensive wigs and those that have a handmade foundation.

    Skill tested: Sufficient Assumption · how this choice captures the argument's function is the move to repeat next time.

    50% picked this

  2. If a wig's foundation is

    Premise Support

    This supports the first M-E → HMF premise, though it does not support the argument.

    5% picked this

  3. A wig that has any

    Premise Support

    This would support an HMC → DC inference that could be made from the third and fourth premises.

    22% picked this

  4. If a wig's foundation is

    Reversed Assumption

    This reverses the HMF → M-E assumption of the argument.

    9% picked this

  5. Any wig that should be

    Reversed Inference

    This reverses an DC → HMF inference that could be made from the fourth and fifth premises.

    13% picked this

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