Hi J, Understood the application of the method. But didn’t understand the logic behind it. Please explain. Reply
The second paragraph IS the logic 🙂 You need to visualise the situation (and no I will not attempt to explain in more detail as the whole point is to make my readers think, not spoonfeed you!). regards J Reply
CAT-holics 
Hi J,
Understood the application of the method. But didn’t understand the logic behind it. Please explain.
The second paragraph IS the logic 🙂 You need to visualise the situation (and no I will not attempt to explain in more detail as the whole point is to make my readers think, not spoonfeed you!).
regards
J