| http://www.w3.org/ns/prov#value | - If that total is a multiple of 10, the number is valid >> For example, given the card number 4408 0412 3456 7893: >> Step 1: 8 4 0 8 0 4 2 2 6 4 10 6 14 8 18 3 >> Step 2: 8+4+0+8+0+4+2+2+6+4+1+0+6+1+4+8+1+8+3 = 70 >> Step 3: 70 % 10 == 0 >> Thus that card is valid. > Uh, this is probably just affecting me but.... > In his example, after he doubles the second to last digit (call it > d), he uses mo
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