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Spec: ARG4 · No calculator · ~180s
Letters only — the answer key is hidden. Work it out, then check the solution below.
No written hint yet — check the trope: de-morgan-and-or, nand-vs-nor-confusion. Name the trap first, work the stem by hand, then open the solution below.
Same topic · same level
TMUA-P2-ARG4-004
Consider the claim “Every prime number greater than 2 is odd”. Which of the following is its negation?
Negation
Same trap: de-morgan-and-or
TMUA-P2-ARG3-013
Which formula correctly expresses “There is no integer that is both even and odd”?
Quantifiers
Step up a level
TMUA-P2-ARG4-009
A stretch-and-challenge sheet makes the ambitious claim that for every integer n there exists an integer m such that m >…
Negation