“They have a very clear identity, a clear idea of how they want to play,” he said.
To top off a miserable night for Arsenal, Thomas Partey was sent off just 16 minutes after coming off the bench.
Liverpool are now second on the EPL log with 45 points in 21 games, displacing Chelsea who had 43 points in 22 games so far.
“I know everybody will be talking about Salah, but if you look at our own side, we have a lot of players that they will be worried about.”
All three have been out since missing the 3-1 Premier League win over Newcastle United on December 16, after testing positive.
The result meant Liverpool moved onto 40 points from 17 games, one behind leaders Manchester City who beat Leeds United 7-0 on Tuesday.
The six-goal thriller saw Salah and Brazilian star Firmino net a brace while Mane scored one goal.
So far, Liverpool has garnered 13 points in five games in the EPL this season.
English Premier League clubs say they will not release players for international matches played in red-list countries next month.
Van Dijk has extended his stay in Liverpool till 2025.
