> I am trying to explain this to my daughter:

> Why it is okay to lock our chamaytz pans away (after merely washing

> them) for Pesah? She is struggling with the idea that they must still

> be Hamaytz, or even impart Hamaytz (if used).

> Please help ... Does a particular verse in RaMb"M address this

> (indirectly)? I am looking.

How about Laws of Leaven 2,15: Now that is where you actually chunks of it that are visible and measurable; now all the more so when you have so little that it is invisible, if there at all!!!