Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > ltso | Unicode version |
Description: 'Less than' is a strict ordering. (Contributed by NM, 19-Jan-1997.) |
Ref | Expression |
---|---|
ltso |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ltnr 7975 | . . . . 5 | |
2 | 1 | adantl 275 | . . . 4 |
3 | lttr 7972 | . . . . 5 | |
4 | 3 | adantl 275 | . . . 4 |
5 | 2, 4 | ispod 4282 | . . 3 |
6 | 5 | mptru 1352 | . 2 |
7 | axltwlin 7966 | . . 3 | |
8 | 7 | rgen3 2553 | . 2 |
9 | df-iso 4275 | . 2 | |
10 | 6, 8, 9 | mpbir2an 932 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 103 wo 698 w3a 968 wtru 1344 wcel 2136 wral 2444 class class class wbr 3982 wpo 4272 wor 4273 cr 7752 clt 7933 |
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-13 2138 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 ax-un 4411 ax-setind 4514 ax-cnex 7844 ax-resscn 7845 ax-pre-ltirr 7865 ax-pre-ltwlin 7866 ax-pre-lttrn 7867 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ne 2337 df-nel 2432 df-ral 2449 df-rex 2450 df-rab 2453 df-v 2728 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-br 3983 df-opab 4044 df-po 4274 df-iso 4275 df-xp 4610 df-pnf 7935 df-mnf 7936 df-ltxr 7938 |
This theorem is referenced by: gtso 7977 ltnsym2 7989 suprlubex 8847 fimaxq 10740 |
Copyright terms: Public domain | W3C validator |