How to use relational operator in JSF EL

Hi,
I am trying to set the insert allowed property for the subtab based if the no.of records in the sub tab is less than 2. So i tried the following expressions in the insert allowed property
1. #{bindings.OvrBrowseTypesIterator.estimatedRowCount < 2} which leads to compilation errors - no start tag found etc..
2. #{bindings.OvrBrowseTypesIterator.estimatedRowCount ls 2} which leads to runtime error - encountered "ls" at line 1 col 1752 when expecting one of the following "(" , "<" , ">" etc....
Please advise if any one has used relational operators in the EL.
Thanks, Pradeep

I found the mistake. I should use "lt" instead of "ls" for less than.
#{bindings.OvrBrowseTypesIterator.estimatedRowCount lt 2}  works fine.

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