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Mirrors > Home > QLE Home > Th. List > comi12 | Unicode version |
Description: Commutation theorem for and . |
Ref | Expression |
---|---|
comi12 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-i1 44 | . 2 | |
2 | lea 160 | . . . . . . . 8 | |
3 | leo 158 | . . . . . . . 8 | |
4 | 2, 3 | letr 137 | . . . . . . 7 |
5 | 4 | lecom 180 | . . . . . 6 |
6 | 5 | comcom 453 | . . . . 5 |
7 | anor3 90 | . . . . 5 | |
8 | 6, 7 | cbtr 182 | . . . 4 |
9 | 8 | comcom7 460 | . . 3 |
10 | df-i2 45 | . . . 4 | |
11 | 10 | ax-r1 35 | . . 3 |
12 | 9, 11 | cbtr 182 | . 2 |
13 | 1, 12 | bctr 181 | 1 |
Colors of variables: term |
Syntax hints: wc 3 wn 4 wo 6 wa 7 wi1 12 wi2 13 |
This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-a3 32 ax-a5 34 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 ax-r3 439 |
This theorem depends on definitions: df-b 39 df-a 40 df-t 41 df-f 42 df-i1 44 df-i2 45 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
This theorem is referenced by: orbi 842 |
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