Logic / Logic 430 · Atom · ~20 seconds
Rebuttals vs. Undercutters
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State
A rebuttal argues the conclusion is false; an undercutter argues the support doesn't hold — leaving the conclusion open.
Show
"The witness is lying" rebuts nothing about the defendant; it undercuts one line of support.
Watch for
Confusing them overclaims: destroying an argument for p is not establishing not-p. That confusion has its own name.
Unlocks
- Nothing yet depends on this.