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Spec: ARG1 · 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: iff-split, proof-direction-reversed. Name the trap first, work the stem by hand, then open the solution below.
Same topic · same level
TMUA-P2-ARG1-005
Let P and Q be statements. The conditional “If P then Q ” is FALSE in exactly which circumstance?
Statements and connectives
Same trap: iff-split
TMUA-P2-ARG1-002
In mathematics “ P or Q ” uses the inclusive or. The statement “ P or Q ” is FALSE in exactly which case?
Statements and connectives
Step up a level
TMUA-P2-ARG1-009
A textbook exercise states the following facts about positive integers, where P is “ n is divisible by 6 ” and Q is “ n…
Statements and connectives