Description: Rotate a sequence of five explicit substitutions. (Contributed by Stefan O'Rear, 11-Oct-2014) (Revised by Mario Carneiro, 11-Dec-2016)
Ref | Expression | ||
---|---|---|---|
Assertion | sbcrot5 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sbcrot3 | |
|
2 | sbcrot3 | |
|
3 | 2 | sbcbii | |
4 | 3 | sbcbii | |
5 | 1 4 | bitri | |