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 ) >. |