Description: Obsolete version of iotaex as of 23-Dec-2024. (Contributed by Andrew Salmon, 11-Jul-2011) (Proof modification is discouraged.) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | iotaexOLD |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | iotaval | ||
2 | 1 | eqcomd | |
3 | 2 | eximi | |
4 | eu6 | ||
5 | isset | ||
6 | 3 4 5 | 3imtr4i | |
7 | iotanul | ||
8 | 0ex | ||
9 | 7 8 | eqeltrdi | |
10 | 6 9 | pm2.61i |