problem comparing two rows

[mehdoush]

hello guys

i'm using a table like this one:

A B C
1 value0 | value1 | value2
2 value0 | value1 | value2
.
.
n value0 | value1 | value2

i want to compare value1 and value2 two from rowX with value1 and value2 from rowY for examp, if they aren't alike -> delete rowX and rowY.

thanks in advance
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[mehdoush]

hey again

need help, i'll apreciate it

regards