Anchor: He'd assumed that the sun of this world must be above the sky, but he'd been wrong; like the other heavenly bodies, it had been embedded inside the shell.
Entailed: He wrongly thought that the sun of his world was above the sky.
Contradiction: The sun never rose again.
Contradiction: The animal is in its stall in the barn.
Contradiction: A kid is jumping.
Contradiction: A man is playing his violin.
Contradiction: A boy is climbing a tree.