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| Description: Inner product maps pairs
from |
| Ref | Expression |
|---|---|
| ax-hfi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | chil 8727 |
. . 3
| |
| 2 | 1, 1 | cxp 3158 |
. 2
|
| 3 | cc 5204 |
. 2
| |
| 4 | csp 8732 |
. 2
| |
| 5 | 2, 3, 4 | wf 3168 |
1
|
| Colors of variables: wff set class |
| This axiom is referenced by: hiclt 8868 dfhnorm2 8909 hhip 8965 |