Description: The index of the slot for the base set is less then the index of the slot for the group operation in an extensible structure. (Contributed by AV, 17-Oct-2024)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | basendxltplusgndx | ⊢ ( Base ‘ ndx ) < ( +g ‘ ndx ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1lt2 | ⊢ 1 < 2 | |
| 2 | basendx | ⊢ ( Base ‘ ndx ) = 1 | |
| 3 | plusgndx | ⊢ ( +g ‘ ndx ) = 2 | |
| 4 | 1 2 3 | 3brtr4i | ⊢ ( Base ‘ ndx ) < ( +g ‘ ndx ) |