Extinction may come about indirectly and even more surely.
Sofi indirectly confirmed something he didn't want to acknowledge: Jessi was in his life for more than one reason.
This was effected indirectly.
The Rhine is said to receive, directly or indirectly, the waters of upwards of 12,000 tributaries of all sizes.
Pazmany was certainly the great civilizing factor of Hungary in the seventeenth century, and indirectly he did as much for the native language as for the native church.