Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > soirri | Unicode version |
Description: A strict order relation is irreflexive. (Contributed by NM, 10-Feb-1996.) (Revised by Mario Carneiro, 10-May-2013.) |
Ref | Expression |
---|---|
soi.1 | |
soi.2 |
Ref | Expression |
---|---|
soirri |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | id 19 | . 2 | |
2 | soi.1 | . . 3 | |
3 | soi.2 | . . . . 5 | |
4 | 3 | brel 4656 | . . . 4 |
5 | 4 | simpld 111 | . . 3 |
6 | sonr 4295 | . . 3 | |
7 | 2, 5, 6 | sylancr 411 | . 2 |
8 | 1, 7 | pm2.65i 629 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wcel 2136 wss 3116 class class class wbr 3982 wor 4273 cxp 4602 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rex 2450 df-v 2728 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-br 3983 df-opab 4044 df-po 4274 df-iso 4275 df-xp 4610 |
This theorem is referenced by: son2lpi 5000 ltsonq 7339 genpdisj 7464 ltposr 7704 axpre-ltirr 7823 |
Copyright terms: Public domain | W3C validator |