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Mirrors > Home > MPE Home > Th. List > exrot3 | Structured version Visualization version Unicode version |
Description: Rotate existential quantifiers. (Contributed by NM, 17-Mar-1995.) |
Ref | Expression |
---|---|
exrot3 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | excom13 1947 |
. 2
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2 | excom 1944 |
. 2
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3 | 1, 2 | bitri 257 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1677 ax-4 1690 ax-11 1937 |
This theorem depends on definitions: df-bi 190 df-ex 1672 |
This theorem is referenced by: opabn0 4732 dmoprab 6396 rnoprab 6398 xpassen 7684 cnvoprab 28383 elima4 30492 brimg 30775 ellines 30990 |
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