If 'Kmart became the first major nonfood retailer to employ them as a means of tracking inventory in the early 1980s, several years before Walton made this technology a core building block of his distribution system.' is true, does it logically mean that 'Walton was the first major retailer to track inventory in the early 1980s using the new distribution system.' also is?
Kmart became the first major nonfood retailer to employ them as a means of tracking inventory in the early 1980s, several years before Walton made this technology a core building block of his distribution system.###Walton was the first major retailer to track inventory in the early 1980s using the new distribution system.