set S = 1GateCircStr (<*F1(),F2(),F3()*>,F8());
let s be State of (F7() +* (1GateCircuit (<*F1(),F2(),F3()*>,F8()))); :: thesis: for s9 being State of F7() st s9 = s | the carrier of F6() holds
for a1, a2, a3 being Element of F4() st ( F1() in InnerVertices F6() implies a1 = (Result s9) . F1() ) & ( not F1() in InnerVertices F6() implies a1 = s . F1() ) & ( F2() in InnerVertices F6() implies a2 = (Result s9) . F2() ) & ( not F2() in InnerVertices F6() implies a2 = s . F2() ) & ( F3() in InnerVertices F6() implies a3 = (Result s9) . F3() ) & ( not F3() in InnerVertices F6() implies a3 = s . F3() ) holds
(Result s) . (Output (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) = F5(a1,a2,a3)

let s9 be State of F7(); :: thesis: ( s9 = s | the carrier of F6() implies for a1, a2, a3 being Element of F4() st ( F1() in InnerVertices F6() implies a1 = (Result s9) . F1() ) & ( not F1() in InnerVertices F6() implies a1 = s . F1() ) & ( F2() in InnerVertices F6() implies a2 = (Result s9) . F2() ) & ( not F2() in InnerVertices F6() implies a2 = s . F2() ) & ( F3() in InnerVertices F6() implies a3 = (Result s9) . F3() ) & ( not F3() in InnerVertices F6() implies a3 = s . F3() ) holds
(Result s) . (Output (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) = F5(a1,a2,a3) )

assume A3: s9 = s | the carrier of F6() ; :: thesis: for a1, a2, a3 being Element of F4() st ( F1() in InnerVertices F6() implies a1 = (Result s9) . F1() ) & ( not F1() in InnerVertices F6() implies a1 = s . F1() ) & ( F2() in InnerVertices F6() implies a2 = (Result s9) . F2() ) & ( not F2() in InnerVertices F6() implies a2 = s . F2() ) & ( F3() in InnerVertices F6() implies a3 = (Result s9) . F3() ) & ( not F3() in InnerVertices F6() implies a3 = s . F3() ) holds
(Result s) . (Output (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) = F5(a1,a2,a3)

A4: s9 is stabilizing by Def2;
InnerVertices (1GateCircStr (<*F1(),F2(),F3()*>,F8())) = {(Output (1GateCircStr (<*F1(),F2(),F3()*>,F8())))} by Th16;
then A5: InputVertices F6() misses InnerVertices (1GateCircStr (<*F1(),F2(),F3()*>,F8())) by A2, ZFMISC_1:50;
then A6: (Following (s,(stabilization-time s9))) | the carrier of F6() = Following (s9,(stabilization-time s9)) by A3, Th27, CIRCCMB2:13
.= Result s9 by A4, Th2 ;
F6() tolerates 1GateCircStr (<*F1(),F2(),F3()*>,F8()) by CIRCCOMB:47;
then A7: InputVertices (F6() +* (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) = (InputVertices F6()) \/ ((InputVertices (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) \ (InnerVertices F6())) by A5, FACIRC_1:4;
the carrier' of (1GateCircStr (<*F1(),F2(),F3()*>,F8())) = {[<*F1(),F2(),F3()*>,F8()]} by CIRCCOMB:def 6;
then ( [<*F1(),F2(),F3()*>,F8()] in {[<*F1(),F2(),F3()*>,F8()]} & the carrier' of (F6() +* (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) = the carrier' of F6() \/ {[<*F1(),F2(),F3()*>,F8()]} ) by CIRCCOMB:def 2, TARSKI:def 1;
then reconsider g = [<*F1(),F2(),F3()*>,F8()] as Gate of (F6() +* (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) by XBOOLE_0:def 3;
let a1, a2, a3 be Element of F4(); :: thesis: ( ( F1() in InnerVertices F6() implies a1 = (Result s9) . F1() ) & ( not F1() in InnerVertices F6() implies a1 = s . F1() ) & ( F2() in InnerVertices F6() implies a2 = (Result s9) . F2() ) & ( not F2() in InnerVertices F6() implies a2 = s . F2() ) & ( F3() in InnerVertices F6() implies a3 = (Result s9) . F3() ) & ( not F3() in InnerVertices F6() implies a3 = s . F3() ) implies (Result s) . (Output (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) = F5(a1,a2,a3) )
assume that
A8: ( ( F1() in InnerVertices F6() implies a1 = (Result s9) . F1() ) & ( not F1() in InnerVertices F6() implies a1 = s . F1() ) ) and
A9: ( ( F2() in InnerVertices F6() implies a2 = (Result s9) . F2() ) & ( not F2() in InnerVertices F6() implies a2 = s . F2() ) ) and
A10: ( ( F3() in InnerVertices F6() implies a3 = (Result s9) . F3() ) & ( not F3() in InnerVertices F6() implies a3 = s . F3() ) ) ; :: thesis: (Result s) . (Output (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) = F5(a1,a2,a3)
A11: InputVertices (1GateCircStr (<*F1(),F2(),F3()*>,F8())) = rng <*F1(),F2(),F3()*> by CIRCCOMB:42;
g = [( the Arity of (F6() +* (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) . g),(g `2)] by CIRCCOMB:def 8;
then A12: <*F1(),F2(),F3()*> = the Arity of (F6() +* (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) . g by XTUPLE_0:1
.= the_arity_of g by MSUALG_1:def 1 ;
A13: g `2 = F8() ;
A14: s is stabilizing by Def2;
A15: the carrier of (F6() +* (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) = the carrier of F6() \/ the carrier of (1GateCircStr (<*F1(),F2(),F3()*>,F8())) by CIRCCOMB:def 2;
A16: rng <*F1(),F2(),F3()*> = {F1(),F2(),F3()} by FINSEQ_2:128;
then A17: F3() in rng <*F1(),F2(),F3()*> by ENUMSET1:def 1;
then A18: F3() in the carrier of (F6() +* (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) by A11, A15, XBOOLE_0:def 3;
( F3() in InnerVertices F6() or F3() in (InputVertices (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) \ (InnerVertices F6()) ) by A11, A17, XBOOLE_0:def 5;
then ( F3() in InnerVertices F6() or F3() in InputVertices (F6() +* (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) ) by A7, XBOOLE_0:def 3;
then A19: a3 = (Following (s,(stabilization-time s9))) . F3() by A10, A6, Th1, FUNCT_1:49;
A20: [<*F1(),F2(),F3()*>,F8()] = Output (1GateCircStr (<*F1(),F2(),F3()*>,F8())) by Th15;
A21: dom (Following (s,(stabilization-time s9))) = the carrier of (F6() +* (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) by CIRCUIT1:3;
A22: F1() in rng <*F1(),F2(),F3()*> by A16, ENUMSET1:def 1;
then ( F1() in InnerVertices F6() or F1() in (InputVertices (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) \ (InnerVertices F6()) ) by A11, XBOOLE_0:def 5;
then ( F1() in InnerVertices F6() or F1() in InputVertices (F6() +* (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) ) by A7, XBOOLE_0:def 3;
then A23: a1 = (Following (s,(stabilization-time s9))) . F1() by A8, A6, Th1, FUNCT_1:49;
A24: F2() in rng <*F1(),F2(),F3()*> by A16, ENUMSET1:def 1;
then A25: F2() in the carrier of (F6() +* (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) by A11, A15, XBOOLE_0:def 3;
( F2() in InnerVertices F6() or F2() in (InputVertices (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) \ (InnerVertices F6()) ) by A11, A24, XBOOLE_0:def 5;
then ( F2() in InnerVertices F6() or F2() in InputVertices (F6() +* (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) ) by A7, XBOOLE_0:def 3;
then A26: a2 = (Following (s,(stabilization-time s9))) . F2() by A9, A6, Th1, FUNCT_1:49;
F1() in the carrier of (F6() +* (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) by A11, A22, A15, XBOOLE_0:def 3;
then A27: (Following (s,(stabilization-time s9))) * <*F1(),F2(),F3()*> = <*a1,a2,a3*> by A25, A18, A23, A26, A19, A21, FINSEQ_2:126;
A28: the_result_sort_of g = the ResultSort of (F6() +* (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) . g by MSUALG_1:def 2
.= g by CIRCCOMB:44 ;
stabilization-time s <= 1 + (stabilization-time s9) by A2, A3, Th48;
hence (Result s) . (Output (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) = (Following (s,(1 + (stabilization-time s9)))) . (Output (1GateCircStr (<*F1(),F2(),F3()*>,F8()))) by A14, Th5
.= (Following (Following (s,(stabilization-time s9)))) . g by A20, FACIRC_1:12
.= F8() . ((Following (s,(stabilization-time s9))) * <*F1(),F2(),F3()*>) by A28, A12, A13, FACIRC_1:34
.= F5(a1,a2,a3) by A1, A27 ;
:: thesis: verum