examine the FORMATION of BELIEF... . start with a definition of BELIEF one use is a BELIEF is an ATTITUDE that something is the CASE , or that some PROPOSITION about the world is true the ACCEPTANCE of a statement is true or that something exist the word BELIEF in Greek is Pistis meaning Confidence or trust BELIEF comes from two SOURCES PEOPLES own experiences and reflections , or as a blind acceptance of what OTHER "PEOPLE " tell us SELF GENERATED belief , experience experiment reflection , generalization . EXTERNALLY GENERATED belief what others tell us as in experts "authority " and CANONS its indicated that Jesus followers were NOT RANDOM people . ..in at least multiple instances they were his FAMILY MEMBERS first cousins and brothers Brothers were James joses Judas Simon and Jude plus two sisters Mary and Salome Joseph Mary husband had a brother CLOPAS also married to a MARY the Aunt and uncle of Jesus also Andrew John Philip Bartholomew Matthew Thomas James and John are sons of Zebedee and Salome so its a close group promoting certain ideas and believing certain ideas bias the number of people believing a claim does not cause it to be true its called the BAND WAGON effect a tendency of an individual to acquire a particular style behavior or ATTITUDE because everyone else in their circle is doing it A psychological phenomenon where by the RATE of uptake of a BELIEF , IDEA , facts and trends INCREASES with respect to the proportion of OTHERS who have ALREADY done so ..REGARDLESS of their OWN belief which they may IGNORE or override .. this tendency of PEOPLE to align their beliefs and behaviors with those of a group is also called HERD MENTALITY
Of course the empty tomb alone was not proof of His Resurrection. It was just the first clue. Actually seeing Him alive and continuing their relationship with Him was the absolute evidence, attested to by multiple eye witnesses.