Text: Tuthmosis I was the first Pharaoh to be entombed there c.1490 b.c. choosing a narrow valley out of site of the capital as a secret and supposedly safe location for his resting place, cut deep into the rock.
Entailment: There was a secret location used for the tomb of Tuthmosis I.
Contradiction: Tuthmosis I was not the first Pharaoh entombed.