If it is true that...

The post-mortem sightings of Jesus Christ could not have been the product of hallucination

and

Natural explanations should be given primary reference over supernatural explanations

and

The natural explanation of the alleged witnesses lying or conspiring about Jesus Christ's post-mortem appearances is false

and

The natural explanation of Jesus Christ recovering miraculously and appearing post-mortem is false

Then it must be true that...

The most likely natural explanations of Jesus Christ's post-mortem appearances are false

If it is true that...

The most likely natural explanations of Jesus Christ's post-mortem appearances are false

and

Jesus Christ was not the product of a conglomeration of pagan myths

Then it must be true that...

Jesus Christ was resurrected