Assertion: 40 | /r/UsedFor | refer to foxcroft's age
Facets:
value: by the fact
type: MANNER
value: at the time - validated
type: TEMPORAL
Source sentences:
text: The 40 in Fox 40 refers to Foxcroft's age at the time - validated by the fact that Foxcroft patent application was in the same year he reached 40 years of age.