Description: The index value of the Base slot is less than the index value of the le slot. (Contributed by AV, 30-Oct-2024)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | basendxltplendx | ⊢ ( Base ‘ ndx ) < ( le ‘ ndx ) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | 1lt10 | ⊢ 1 < ; 1 0 | |
| 2 | basendx | ⊢ ( Base ‘ ndx ) = 1 | |
| 3 | plendx | ⊢ ( le ‘ ndx ) = ; 1 0 | |
| 4 | 1 2 3 | 3brtr4i | ⊢ ( Base ‘ ndx ) < ( le ‘ ndx ) |