Take the following as truth: Joao Goncalves Zarco, sailing in the service of Prince Henry, made the first of many famous Portuguese discoveries, which would culminate a century later in Magellan's historic circumnavigation of the globe.
Then the following statement: "Joao Goncalves Zarco traveled as far as 4000 miles away." is true, false, or inconclusive?
Answer: Inconclusive