Siddur: Ashrei in Depth; Why Malbim? Bonus: Kivyachol, and Bishlama

Siddur:

Ashrei in Depth; Why Malbim?

Analyzing the most important paragraph

in Pesukei D'Zimra.

Bonus: Kivyachol, and Bishlama

The derivations of כביכול and בשלמא were חידושים to me!

Mavo HaTalmud part 23: Kivyachol, Teipuk Lei, Bishlama, Etc.