States what the copy's paper was measured to have done, in place of what was stated before; given nothing, it takes the statement away. A copy has one paper, so it has one such condition, which may give a strain in either direction.
Optional
States what the copy's paper was measured to have done, in place of what was stated before; given nothing, it takes the statement away. A copy has one paper, so it has one such condition, which may give a strain in either direction.