This Bible contradiction is from the Skeptic's Annotated Bible.

Verses

Yes, she recognized him.

Matthew 28:9 View context

And as they went to tell his disciples, behold, Jesus met them, saying, All hail. And they came and held him by the feet, and worshipped him.

No, she didn't recognize him.

John 20:14 View context

And when she had thus said, she turned herself back, and saw Jesus standing, and knew not that it was Jesus.

Jesus didn't appear to her; she had a vision of angels who told her that he was alive.

Luke 24:23 View context

And when they found not his body, they came, saying, that they had also seen a vision of angels, which said that he was alive.