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Related theorems Unicode version |
| Description: Version of dveel2 1355 using ax-16 1208 instead of ax-17 969. |
| Ref | Expression |
|---|---|
| dveel2ALT |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax17el 1359 |
. 2
| |
| 2 | ax17el 1359 |
. 2
| |
| 3 | elequ2 1135 |
. 2
| |
| 4 | 1, 2, 3 | dvelimfALT 1151 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 960 ax-gen 961 ax-8 962 ax-10 964 ax-12 966 ax-14 968 ax-4 971 ax-5o 973 ax-6o 976 ax-9o 1121 ax-10o 1138 ax-16 1208 ax-15 1358 |
| This theorem depends on definitions: df-bi 147 df-an 225 |