Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > ispos | Structured version Visualization version Unicode version |
Description: The predicate "is a poset." (Contributed by NM, 18-Oct-2012.) (Revised by Mario Carneiro, 4-Nov-2013.) |
Ref | Expression |
---|---|
ispos.b | |
ispos.l |
Ref | Expression |
---|---|
ispos |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fveq2 6191 | . . . . . . 7 | |
2 | ispos.b | . . . . . . 7 | |
3 | 1, 2 | syl6eqr 2674 | . . . . . 6 |
4 | 3 | eqeq2d 2632 | . . . . 5 |
5 | fveq2 6191 | . . . . . . 7 | |
6 | ispos.l | . . . . . . 7 | |
7 | 5, 6 | syl6eqr 2674 | . . . . . 6 |
8 | 7 | eqeq2d 2632 | . . . . 5 |
9 | 4, 8 | 3anbi12d 1400 | . . . 4 |
10 | 9 | 2exbidv 1852 | . . 3 |
11 | df-poset 16946 | . . 3 | |
12 | 10, 11 | elab4g 3355 | . 2 |
13 | fvex 6201 | . . . . 5 | |
14 | 2, 13 | eqeltri 2697 | . . . 4 |
15 | fvex 6201 | . . . . 5 | |
16 | 6, 15 | eqeltri 2697 | . . . 4 |
17 | raleq 3138 | . . . . . 6 | |
18 | 17 | raleqbi1dv 3146 | . . . . 5 |
19 | 18 | raleqbi1dv 3146 | . . . 4 |
20 | breq 4655 | . . . . . . 7 | |
21 | breq 4655 | . . . . . . . . 9 | |
22 | breq 4655 | . . . . . . . . 9 | |
23 | 21, 22 | anbi12d 747 | . . . . . . . 8 |
24 | 23 | imbi1d 331 | . . . . . . 7 |
25 | breq 4655 | . . . . . . . . 9 | |
26 | 21, 25 | anbi12d 747 | . . . . . . . 8 |
27 | breq 4655 | . . . . . . . 8 | |
28 | 26, 27 | imbi12d 334 | . . . . . . 7 |
29 | 20, 24, 28 | 3anbi123d 1399 | . . . . . 6 |
30 | 29 | ralbidv 2986 | . . . . 5 |
31 | 30 | 2ralbidv 2989 | . . . 4 |
32 | 14, 16, 19, 31 | ceqsex2v 3245 | . . 3 |
33 | 32 | anbi2i 730 | . 2 |
34 | 12, 33 | bitri 264 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 w3a 1037 wceq 1483 wex 1704 wcel 1990 wral 2912 cvv 3200 class class class wbr 4653 cfv 5888 cbs 15857 cple 15948 cpo 16940 |
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-iota 5851 df-fv 5896 df-poset 16946 |
This theorem is referenced by: ispos2 16948 posi 16950 0pos 16954 isposd 16955 isposi 16956 pospropd 17134 resspos 29659 |
Copyright terms: Public domain | W3C validator |