Description: A constructed one-slot structure. (Contributed by AV, 15-Nov-2024)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | 1str.g | |- G = { <. ( Base ` ndx ) , B >. } |
|
| Assertion | 1strstr1 | |- G Struct <. ( Base ` ndx ) , ( Base ` ndx ) >. |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1str.g | |- G = { <. ( Base ` ndx ) , B >. } |
|
| 2 | basendxnn | |- ( Base ` ndx ) e. NN |
|
| 3 | eqid | |- ( Base ` ndx ) = ( Base ` ndx ) |
|
| 4 | 2 3 | strle1 | |- { <. ( Base ` ndx ) , B >. } Struct <. ( Base ` ndx ) , ( Base ` ndx ) >. |
| 5 | 1 4 | eqbrtri | |- G Struct <. ( Base ` ndx ) , ( Base ` ndx ) >. |