In reply to ben@SystemVerilog.us:
In reply to ViVer:
property check_sigs;
@(posedge clk_1) disable iff (disable_check)
($change(sig_a) |-> $past(sig_b)==0);
endprope
This will work, thanks a lot for the help.
@ben are you planning to release any new edition for your book anytime soon, I am planning to purchase it.