Description: Define the class of all complex Banach spaces. (Contributed by NM, 5-Dec-2006) Use df-bn instead. (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | df-cbn | |- CBan = { u e. NrmCVec | ( IndMet ` u ) e. ( CMet ` ( BaseSet ` u ) ) } | 
				
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 0 | ccbn | |- CBan  | 
						|
| 1 | vu | |- u  | 
						|
| 2 | cnv | |- NrmCVec  | 
						|
| 3 | cims | |- IndMet  | 
						|
| 4 | 1 | cv | |- u  | 
						
| 5 | 4 3 | cfv | |- ( IndMet ` u )  | 
						
| 6 | ccmet | |- CMet  | 
						|
| 7 | cba | |- BaseSet  | 
						|
| 8 | 4 7 | cfv | |- ( BaseSet ` u )  | 
						
| 9 | 8 6 | cfv | |- ( CMet ` ( BaseSet ` u ) )  | 
						
| 10 | 5 9 | wcel | |- ( IndMet ` u ) e. ( CMet ` ( BaseSet ` u ) )  | 
						
| 11 | 10 1 2 | crab |  |-  { u e. NrmCVec | ( IndMet ` u ) e. ( CMet ` ( BaseSet ` u ) ) } | 
						
| 12 | 0 11 | wceq |  |-  CBan = { u e. NrmCVec | ( IndMet ` u ) e. ( CMet ` ( BaseSet ` u ) ) } |