Description: Lemma 3 for fundcmpsurinj . (Contributed by AV, 3-Mar-2024)
Ref | Expression | ||
---|---|---|---|
Hypotheses | fundcmpsurinj.p | |
|
fundcmpsurinj.h | |
||
Assertion | fundcmpsurinjlem3 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fundcmpsurinj.p | |
|
2 | fundcmpsurinj.h | |
|
3 | 2 | a1i | |
4 | imaeq2 | |
|
5 | 4 | unieqd | |
6 | 5 | adantl | |
7 | simpr | |
|
8 | funimaexg | |
|
9 | 8 | uniexd | |
10 | 3 6 7 9 | fvmptd | |