Regarding whether Mary saw Jesus's tomb empty, the Jerusalem church's public stance in AD 30 and AD 40 matched.1 This is relevant because, in AD 40, the public stance of the Jerusalem church was that Mary visually discovered Jesus's tomb empty.2
Regarding whether Mary saw Jesus's tomb empty, the Jerusalem church's public stance in AD 30 and AD 70 matched.1 This is relevant because, in AD 70, the public stance of the Jerusalem church was that Mary visually discovered Jesus's tomb empty.2
Regarding whether or not Mary saw Jesus's tomb empty, the AD 30 Jerusalem church's public stance matched the truth. This is relevant, because the truth of the matter is that Mary did visually discover Jesus's tomb empty.
Mk 15:42-47 (the burial account) narratively _anticipates _16:1-8 (Mary's empty tomb discovery account). This is relevant because the AD 30 Jerusalem church formed the Mk 15 burial account[Forthcoming] and would only affirm traditions which narratively anticipate x, if they believed x.
Paul lacked any belief that Mary saw Jesus's tomb empty1
Regarding whether Mary saw Jesus's tomb empty, the 1 Corinthians 15 creed's originators did not include in their creedal report that she did.
But, so what? Couldn't it simply be that women were considered inept as witnesses[Forthcoming]?1, 2