Mathbox for Wolf Lammen |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > wl-naev | Structured version Visualization version Unicode version |
Description: If some set variables can assume different values, then any two distinct set variables cannot always be the same. (Contributed by Wolf Lammen, 10-Aug-2019.) |
Ref | Expression |
---|---|
wl-naev |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | aev 1983 | . 2 | |
2 | 1 | con3i 150 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wal 1481 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 |
This theorem depends on definitions: df-bi 197 df-an 386 df-ex 1705 |
This theorem is referenced by: wl-sbcom2d-lem2 33343 wl-sbal1 33346 wl-sbal2 33347 wl-ax11-lem3 33364 |
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