Card 1 of 20
A proof forms the chain assumptions ⇒\Rightarrow⇒ [ ] ⇒\Rightarrow⇒ conclusion.
A
A proof forms the chain assumptions ⇒\Rightarrow⇒ justified deductions ⇒\Rightarrow⇒ conclusion.
B
n=2k+1n=2k+1n=2k+1, where kkk is an integer.
C
One of the consecutive integers n,n+1n,n+1n,n+1 is even, so their product is even.
D
n=2kn=2kn=2k, where kkk is an integer.
Card 1 of 20
1.1.1 Structure of mathematical proof Flashcards
20 flashcards on OCR A Level Maths 1.1.1 Structure of mathematical proof: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.