Metamath Proof Explorer


Theorem lnopsubmuli

Description: Subtraction/product property of a linear Hilbert space operator. (Contributed by NM, 2-Jul-2005) (New usage is discouraged.)

Ref Expression
Hypothesis lnopl.1 TLinOp
Assertion lnopsubmuli ABCTB-AC=TB-ATC

Proof

Step Hyp Ref Expression
1 lnopl.1 TLinOp
2 hvmulcl ACAC
3 1 lnopsubi BACTB-AC=TB-TAC
4 2 3 sylan2 BACTB-AC=TB-TAC
5 4 3impb BACTB-AC=TB-TAC
6 5 3com12 ABCTB-AC=TB-TAC
7 1 lnopmuli ACTAC=ATC
8 7 oveq2d ACTB-TAC=TB-ATC
9 8 3adant2 ABCTB-TAC=TB-ATC
10 6 9 eqtrd ABCTB-AC=TB-ATC