662 prompts matching "A set closed under one operation but not another"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Show All Working: The negation of a tautology
Act as my Further Mathematics examiner. I am in SS 2. Set me a question on the negation of
Common Mistakes: Deciding between tautology, contradiction and contingency
Act as my SS2 Further Mathematics tutor. Show me the mistake pupils most often make on dec
Final Revision: A longer statement tested for tautology
Act as my SS2 Further Mathematics tutor at the end of the term. Give me a rapid recap of a
Spot My Mistake: Disjunctive syllogism
Act as my SS2 Further Mathematics tutor. Work a question on disjunctive syllogism with one
WAEC Prep: Testing an argument for validity by truth table
Act as my SS 2 Further Mathematics teacher setting an examination question. Give me a ques
Show All Working: The fallacy of affirming the consequent
Act as my Further Mathematics examiner. I am in SS 2. Set me a question on the fallacy of
Common Mistakes: The fallacy of denying the antecedent
Act as my SS2 Further Mathematics tutor. Show me the mistake pupils most often make on the
Final Revision: An argument written in words and tested for validity
Act as my SS2 Further Mathematics tutor at the end of the term. Give me a rapid recap of a
Quiz: Arrangements of a word with no repeated letters
Act as my SS2 Further Mathematics tutor and quiz me on arrangements of a word with no repe
Spot My Mistake: Arrangements with two particular items adjacent
Act as my SS2 Further Mathematics tutor. Work a question on arrangements with two particul
Show All Working: Arrangements of boys and girls alternately
Act as my Further Mathematics examiner. I am in SS 2. Set me a question on arrangements of
Common Mistakes: Arranging objects when some must stay in a fixed order
Act as my SS2 Further Mathematics tutor. Show me the mistake pupils most often make on arr
Final Revision: Counting the arrangements of people in a queue
Act as my SS2 Further Mathematics tutor at the end of the term. Give me a rapid recap of c
Spot My Mistake: Arrangements round a table with men and women alternating
Act as my SS2 Further Mathematics tutor. Work a question on arrangements round a table wit
WAEC Prep: Beads on a necklace, and why the count halves
Act as my SS 2 Further Mathematics teacher setting an examination question. Give me a ques
Final Revision: A word problem about seating at a round table
Act as my SS2 Further Mathematics tutor at the end of the term. Give me a rapid recap of a
Quiz: Selecting from two groups at the same time
Act as my SS2 Further Mathematics tutor and quiz me on selecting from two groups at the sa
Show All Working: Selecting a committee with the chairman named separately
Act as my Further Mathematics examiner. I am in SS 2. Set me a question on selecting a com
Common Mistakes: The number of ways of dividing a class into groups
Act as my SS2 Further Mathematics tutor. Show me the mistake pupils most often make on the
Final Revision: A word problem about choosing a delegation
Act as my SS2 Further Mathematics tutor at the end of the term. Give me a rapid recap of a