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Mirrors > Home > ILE Home > Th. List > ax6evr | Unicode version |
Description: A commuted form of a9ev 1708. 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 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | a9ev 1708 |
. 2
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2 | equcomi 1715 |
. 2
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3 | 1, 2 | eximii 1613 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1458 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 |
This theorem depends on definitions: df-bi 117 |
This theorem is referenced by: (None) |
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