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Description: Perform the substitutions into the strict weak ordering law. (Contributed by Mario Carneiro, 31-Dec-2014)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | swopolem.1 | ||
| Assertion | swopolem |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | swopolem.1 | ||
| 2 | 1 | ralrimivvva | |
| 3 | breq1 | ||
| 4 | breq1 | ||
| 5 | 4 | orbi1d | |
| 6 | 3 5 | imbi12d | |
| 7 | breq2 | ||
| 8 | breq2 | ||
| 9 | 8 | orbi2d | |
| 10 | 7 9 | imbi12d | |
| 11 | breq2 | ||
| 12 | breq1 | ||
| 13 | 11 12 | orbi12d | |
| 14 | 13 | imbi2d | |
| 15 | 6 10 14 | rspc3v | |
| 16 | 2 15 | mpan9 |