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Definition df-ssp 8381
Description: Define the class of all subspaces of complex normed vector spaces.
Assertion
Ref Expression
df-ssp |- SubSp = {<.u, s>. | (u e. NrmCVec /\ s = {w e. NrmCVec | ((+v` w) (_ (+v` u) /\ (.s` w) (_ (.s` u) /\ (norm` w) (_ (norm` u))})}
Distinct variable group:   u,s,w

Detailed syntax breakdown of Definition df-ssp
StepHypRef Expression
1 css 8380 . 2 class SubSp
2 vu . . . . . 6 set u
32cv 955 . . . . 5 class u
4 cnv 8203 . . . . 5 class NrmCVec
53, 4wcel 958 . . . 4 wff u e. NrmCVec
6 vs . . . . . 6 set s
76cv 955 . . . . 5 class s
8 vw . . . . . . . . . 10 set w
98cv 955 . . . . . . . . 9 class w
10 cpv 8204 . . . . . . . . 9 class +v
119, 10cfv 3182 . . . . . . . 8 class (+v` w)
123, 10cfv 3182 . . . . . . . 8 class (+v` u)
1311, 12wss 2047 . . . . . . 7 wff (+v` w) (_ (+v` u)
14 cns 8206 . . . . . . . . 9 class .s
159, 14cfv 3182 . . . . . . . 8 class (.s` w)
163, 14cfv 3182 . . . . . . . 8 class (.s` u)
1715, 16wss 2047 . . . . . . 7 wff (.s` w) (_ (.s` u)
18 cnm 8209 . . . . . . . . 9 class norm
199, 18cfv 3182 . . . . . . . 8 class (norm`
w)
203, 18cfv 3182 . . . . . . . 8 class (norm`
u)
2119, 20wss 2047 . . . . . . 7 wff (norm` w) (_ (norm` u)
2213, 17, 21w3a 775 . . . . . 6 wff ((+v` w) (_ (+v` u) /\ (.s` w) (_ (.s` u) /\ (norm` w) (_ (norm` u))
2322, 8, 4crab 1648 . . . . 5 class {w e. NrmCVec | ((+v` w) (_ (+v` u) /\ (.s` w) (_ (.s` u) /\ (norm` w) (_ (norm` u))}
247, 23wceq 956 . . . 4 wff s = {w e. NrmCVec | ((+v` w) (_ (+v` u) /\ (.s` w) (_ (.s` u) /\ (norm` w) (_ (norm` u))}
255, 24wa 223 . . 3 wff (u e. NrmCVec /\ s = {w e. NrmCVec | ((+v` w) (_ (+v` u) /\ (.s` w) (_ (.s` u) /\ (norm` w) (_ (norm` u))})
2625, 2, 6copab 2666 . 2 class {<.u, s>. | (u e. NrmCVec /\ s = {w e. NrmCVec | ((+v` w) (_ (+v` u) /\ (.s` w) (_ (.s` u) /\ (norm` w) (_ (norm` u))})}
271, 26wceq 956 1 wff SubSp = {<.u, s>. | (u e. NrmCVec /\ s = {w e. NrmCVec | ((+v` w) (_ (+v` u) /\ (.s` w) (_ (.s` u) /\ (norm` w) (_ (norm` u))})}
Colors of variables: wff set class
This definition is referenced by:  sspval 8382
Copyright terms: Public domain