There is no conflict een that counterfactual statement and the definition of 'one meter' as 'the length of at to', because the 'definition', properly interpreted, does not say that the phrase 'one meter' is to be synonymous (even when talking about counterfactual situations) with the phrase 'the length of at to', but rather that we have determined the reference of the phrase 'one meter' by stipulating that 'one meter' is to be a rigid designator of the length which is in fact the length of at to So