Arcana Coelestia # 2843
2843. 'Because you have done this thing' means an accomplished fact. This is clear without explanation.
Joshua 9:18-19
18
The children of Israel didn't strike them, because the princes of the congregation had sworn to them by Yahweh, the God of Israel. All the congregation murmured against the princes.
19
But all the princes said to all the congregation, "We have sworn to them by Yahweh, the God of Israel: now therefore we may not touch them.