Arsène Wenger's side were beaten 2-0 at home by Bayern Munich on Wednesday night, but returned to winning ways with a 4-1 victory three days later.
The highlight was a sublime Tomas Rosicky goal, but Arteta said the whole performance spoke volumes about the Gunners' team spirit.
"It was very similar [to Jack Wilshere's goal against Norwich]," the vice-captain told arsenal.com. "The finish was quality, the chip from Tomas. That's what we are about, the team plays combinations around the box and it was a fantastic goal.
"We played really well. Some of the goals we scored were really good as well and we got three important points to keep going.
"We wanted to show that we are really committed, that we are up for it and we played some fantastic football. The reaction of the team was really good, really convincing. We won the game and happy to be where we are.
"We have every chance to win [the title]. We're going to have it really tough from now on but for three or four teams it's going to be really tough. We just need to keep going and see where we are at the end of April because that's when everything is going to be decided."
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