ReactiveUI. Make ReactiveCommand be able to execute when neither of the other ReactiveCommands are executing

I’m currently working on an AvaloniaUI app and faced this problem.
I have 3 ReactiveCommands:

ReactiveUI. Make ReactiveCommand be able to execute when neither of the other ReactiveCommands is executing

I’m currently working on an AvaloniaUI app and faced this problem.
I have 3 ReactiveCommands: