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Mirrors > Home > ILE Home > Th. List > ax6evr | Unicode version |
Description: A commuted form of a9ev 1690. 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 1690 | . 2 | |
2 | equcomi 1697 | . 2 | |
3 | 1, 2 | eximii 1595 | 1 |
Colors of variables: wff set class |
Syntax hints: wex 1485 |
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 1440 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: (None) |
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