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Mirrors > Home > QLE Home > Th. List > wfh3 | Unicode version |
Description: Weak structural analog of Foulis-Holland Theorem. |
Ref | Expression |
---|---|
wfh.1 | |
wfh.2 |
Ref | Expression |
---|---|
wfh3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wfh.1 | . . . . 5 | |
2 | 1 | wcomcom4 417 | . . . 4 |
3 | wfh.2 | . . . . 5 | |
4 | 3 | wcomcom4 417 | . . . 4 |
5 | 2, 4 | wfh1 423 | . . 3 |
6 | anor2 89 | . . . . 5 | |
7 | 6 | bi1 118 | . . . 4 |
8 | df-a 40 | . . . . . . . 8 | |
9 | 8 | bi1 118 | . . . . . . 7 |
10 | 9 | wr1 197 | . . . . . 6 |
11 | 10 | wlor 368 | . . . . 5 |
12 | 11 | wr4 199 | . . . 4 |
13 | 7, 12 | wr2 371 | . . 3 |
14 | oran 87 | . . . . 5 | |
15 | 14 | bi1 118 | . . . 4 |
16 | oran 87 | . . . . . . . 8 | |
17 | 16 | bi1 118 | . . . . . . 7 |
18 | oran 87 | . . . . . . . 8 | |
19 | 18 | bi1 118 | . . . . . . 7 |
20 | 17, 19 | w2an 373 | . . . . . 6 |
21 | 20 | wr1 197 | . . . . 5 |
22 | 21 | wr4 199 | . . . 4 |
23 | 15, 22 | wr2 371 | . . 3 |
24 | 5, 13, 23 | w3tr2 375 | . 2 |
25 | 24 | wcon1 207 | 1 |
Colors of variables: term |
Syntax hints: wb 1 wn 4 tb 5 wo 6 wa 7 wt 8 wcmtr 29 |
This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-a3 32 ax-a4 33 ax-a5 34 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 ax-wom 361 |
This theorem depends on definitions: df-b 39 df-a 40 df-t 41 df-f 42 df-i1 44 df-i2 45 df-le 129 df-le1 130 df-le2 131 df-cmtr 134 |
This theorem is referenced by: woml7 437 wddi3 1107 |
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