Decide whether the following are true or false.
- is not satisfied by any .
- For all there exists a such that .
- False. Let , then , but .
This means .
False. This equality is true for since
False. Take , then
Hence, in either case and so .
I think part a) is wrong since we’re assuming x<5, then -5=0 then |x|<=a when -a<x<a then a) would be true please correct me
*if x<5 then – 5 < – x