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Mirrors > Home > MPE Home > Th. List > Mathboxes > opcon3b | Structured version Visualization version Unicode version |
Description: Contraposition law for orthoposets. (chcon3i 28325 analog.) (Contributed by NM, 8-Nov-2011.) |
Ref | Expression |
---|---|
opoccl.b | |
opoccl.o |
Ref | Expression |
---|---|
opcon3b |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fveq2 6191 | . . 3 | |
2 | 1 | eqcoms 2630 | . 2 |
3 | fveq2 6191 | . . . 4 | |
4 | 3 | eqcoms 2630 | . . 3 |
5 | opoccl.b | . . . . . 6 | |
6 | opoccl.o | . . . . . 6 | |
7 | 5, 6 | opococ 34482 | . . . . 5 |
8 | 7 | 3adant3 1081 | . . . 4 |
9 | 5, 6 | opococ 34482 | . . . . 5 |
10 | 9 | 3adant2 1080 | . . . 4 |
11 | 8, 10 | eqeq12d 2637 | . . 3 |
12 | 4, 11 | syl5ib 234 | . 2 |
13 | 2, 12 | impbid2 216 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 w3a 1037 wceq 1483 wcel 1990 cfv 5888 cbs 15857 coc 15949 cops 34459 |
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 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-nul 4789 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-dm 5124 df-iota 5851 df-fv 5896 df-ov 6653 df-oposet 34463 |
This theorem is referenced by: opcon2b 34484 omllaw4 34533 cmtbr2N 34540 cvrcmp2 34571 lhpmod2i2 35324 lhpmod6i1 35325 |
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