#N canvas 336 387 602 199 10; #X obj 18 137 -; #X text 185 60 when the invertor is 0 the rule is respected.; #X text 185 83 see invertible-test.pd; #X text 19 174 invertor; #X text 149 174 antiinvertor; #X obj 148 137 +; #X obj 18 115 t a a; #X obj 18 39 t a a; #X obj 18 19 \$1.inlet a; #X obj 101 19 \$1.inlet b; #X obj 18 156 \$1.outlet (ab)/b-a; #X obj 148 156 \$1.outlet (ab)/b+a; #X obj 18 65 \$2; #X obj 18 91 \$3; #X text 184 11 invertibility rule for operator \$2 with (presumed) right-inverse \$3 is:; #X text 184 45 (a \$2 b) \$3 b - a = 0; #X connect 0 0 10 0; #X connect 5 0 11 0; #X connect 6 0 0 0; #X connect 6 1 5 0; #X connect 7 0 12 0; #X connect 7 1 0 1; #X connect 7 1 5 1; #X connect 8 0 7 0; #X connect 9 0 12 1; #X connect 9 0 13 1; #X connect 12 0 13 0; #X connect 13 0 6 0;