TMUA Learning·Mathematical Reasoningi
Develop the logical and proof-based reasoning needed to construct, test and communicate mathematical arguments.
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Chapter 1. Implication and Direction
11 PracticesMEMBERLogin requiredTopic 2. Comparing Mathematical Statementsi
Topic 2 — Comparing Mathematical Statements
Consider two statements about a function :
| Stat...
9 PracticesMEMBERLogin requiredTopic 3. Connecting Implications to Reach a Conclusioni
Topic 3 — Connecting Implications to Reach a Conclusion
Suppose is real and you know:
If...
Exercise
20 QuestionsPublished in book
Chapter 2. Counterexamples and Disproof
8 PracticesPublished in bookTopic 1. Recognising a Valid Counterexamplei
Topic 1 — Recognising a Valid Counterexample
In Chapter 1, you learned to keep track of the direc...
10 PracticesPublished in bookTopic 2. Identifying the Allowed Casesi
Topic 2 — Identifying the Allowed Cases
A value can satisfy the condition of a claim and make its...
10 PracticesPublished in bookTopic 3. Where to Search for Counterexamplesi
Topic 3 — Where to Search for Counterexamples
Knowing what a counterexample must do is only the f...
Exercise
20 QuestionsPublished in book
Chapter 3. Necessary and Sufficient Conditions
10 PracticesPublished in bookTopic 1. Necessary and Sufficient Conditionsi
Topic 1 — Necessary and Sufficient Conditions
A condition can be necessary, sufficient, b...
14 PracticesPublished in bookTopic 2. Testing Necessary and Sufficient Conditionsi
Topic 2 — Testing Necessary and Sufficient Conditions
When the relationship between two condition...
10 PracticesPublished in bookTopic 3. Combining Conditionsi
Topic 3 — Combining Conditions
A conclusion may depend on more than one condition.
When several...
Exercise
20 QuestionsPublished in book
Chapter 4. Quantifiers and Negation
10 PracticesPublished in bookTopic 1. Reading Quantified Statementsi
Topic 1 — Reading Quantified Statements
Mathematical statements often use words such as every...
10 PracticesPublished in bookTopic 2. Negating Quantified Statementsi
Topic 2 — Negating Quantified Statements
To negate a mathematical statement, find a statement tha...
10 PracticesPublished in bookTopic 3. The Order of Quantifiersi
Topic 3 — The Order of Quantifiers
When a statement contains more than one quantifier, the order...
10 PracticesPublished in bookTopic 4. Proving and Disproving Quantified Claimsi
Topic 4 — Proving and Disproving Quantified Claims
Different quantified claims require different...
Exercise
20 QuestionsPublished in book
Chapter 5. Checking Mathematical Arguments
10 PracticesPublished in bookTopic 1. Checking Whether Each Step Is Justifiedi
Topic 1 — Checking Whether Each Step Is Justified
A mathematical argument is a sequence of steps....
11 PracticesPublished in bookTopic 2. Checking Whether Rewriting Keeps the Same Solutionsi
Topic 2 — Checking Whether Rewriting Keeps the Same Solutions
When you replace an equation or ine...
10 PracticesPublished in bookTopic 3. Checking What the Argument Actually Provesi
Topic 3 — Checking What the Argument Actually Proves
An argument can contain correct mathematical...
Exercise
20 QuestionsPublished in book
Chapter 6. Reasoning by Cases
8 PracticesPublished in bookTopic 1. Finding All the Relevant Casesi
Topic 1 — Finding All the Relevant Cases
Some TMUA problems do not tell you which cases to consid...
10 PracticesPublished in bookTopic 2. Ruling Out Impossible Casesi
Topic 2 — Ruling Out Impossible Cases
Finding all the branches is only the first part of reasonin...
10 PracticesPublished in bookTopic 3. Following Every Remaining Case to a Conclusioni
Topic 3 — Following Every Remaining Case to a Conclusion
After impossible cases have been removed...
Exercise
20 QuestionsPublished in book
TMUA Paper 2 Mock Papers
Mock 1
20 QuestionsPublished in bookMock 2
20 QuestionsPublished in book