"Convince yourself" of the lemma - is any work required?

[docnet]

Homework Statement

In the homework statement part (a), it says to "convince yourself" of the given lemma. How do I satisfy this requirement for full credit?

Relevant Equations

Since I see these types of homework prompts often, does this mean that I should prove the given Lemma, or just accept it as true and move onto (b) with no work required by me?

 

[pasmith]

'Convince yourself' means 'Prove'.

 

[docnet]

'Convince yourself' means 'Prove'.

that explains why my homework grade was low

 

[Office_Shredder]

This is a terrible way to word a homework question.