Heb.11.19

Abraham figured that if God wanted to, he could raise the dead. In a sense, that's what happened when he received Isaac back, alive from off the altar.

Heb.11.19

Abraham reasoned that God could raise the dead, and figuratively speaking, he did receive Isaac back from death.

Heb.11.19

concluding that God was able to raise him up, even from the dead, from which he also received him in a figurative sense.

Heb.11.19

Abraham assumed that if Isaac died, God was able to bring him back to life again. And in a sense, Abraham did receive his son back from the dead.