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Mirrors > Home > ILE Home > Th. List > ax6evr | Unicode version |
Description: A commuted form of a9ev 1677. 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 1677 | . 2 | |
2 | equcomi 1684 | . 2 | |
3 | 1, 2 | eximii 1582 | 1 |
Colors of variables: wff set class |
Syntax hints: wex 1472 |
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 1427 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: (None) |
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