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Mirrors > Home > MPE Home > Th. List > Mathboxes > eel1111 | Structured version Visualization version Unicode version |
Description: Four-hypothesis elimination deduction for an assertion with a singleton virtual hypothesis collection. Similar to syl112anc 1330 except the unification theorem uses left-nested conjunction. (Contributed by Alan Sare, 17-Oct-2017.) |
Ref | Expression |
---|---|
eel1111.1 | |
eel1111.2 | |
eel1111.3 | |
eel1111.4 | |
eel1111.5 |
Ref | Expression |
---|---|
eel1111 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eel1111.4 | . 2 | |
2 | eel1111.1 | . . 3 | |
3 | eel1111.2 | . . 3 | |
4 | eel1111.3 | . . 3 | |
5 | eel1111.5 | . . . 4 | |
6 | 5 | exp41 638 | . . 3 |
7 | 2, 3, 4, 6 | syl3c 66 | . 2 |
8 | 1, 7 | mpd 15 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 197 df-an 386 |
This theorem is referenced by: sineq0ALT 39173 |
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