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Mirrors > Home > ILE Home > Th. List > ax6evr | Unicode version |
Description: A commuted form of a9ev 1660. The naming reflects how axioms were numbered in the Metamath Proof Explorer as of 2020 (a numbering which we eventually plan to adopt here too, but until this happens everywhere only some theorems will have it). (Contributed by BJ, 7-Dec-2020.) |
Ref | Expression |
---|---|
ax6evr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | a9ev 1660 | . 2 | |
2 | equcomi 1665 | . 2 | |
3 | 1, 2 | eximii 1566 | 1 |
Colors of variables: wff set class |
Syntax hints: wex 1453 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1408 ax-gen 1410 ax-ie1 1454 ax-ie2 1455 ax-8 1467 ax-4 1472 ax-17 1491 ax-i9 1495 ax-ial 1499 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: (None) |
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