Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > lttri | Unicode version |
Description: 'Less than' is transitive. Theorem I.17 of [Apostol] p. 20. (Contributed by NM, 14-May-1999.) |
Ref | Expression |
---|---|
lt.1 | |
lt.2 | |
lt.3 |
Ref | Expression |
---|---|
lttri |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lt.1 | . 2 | |
2 | lt.2 | . 2 | |
3 | lt.3 | . 2 | |
4 | lttr 7963 | . 2 | |
5 | 1, 2, 3, 4 | mp3an 1326 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wcel 2135 class class class wbr 3976 cr 7743 clt 7924 |
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 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-8 1491 ax-10 1492 ax-11 1493 ax-i12 1494 ax-bndl 1496 ax-4 1497 ax-17 1513 ax-i9 1517 ax-ial 1521 ax-i5r 1522 ax-13 2137 ax-14 2138 ax-ext 2146 ax-sep 4094 ax-pow 4147 ax-pr 4181 ax-un 4405 ax-setind 4508 ax-cnex 7835 ax-resscn 7836 ax-pre-lttrn 7858 |
This theorem depends on definitions: df-bi 116 df-3an 969 df-tru 1345 df-fal 1348 df-nf 1448 df-sb 1750 df-eu 2016 df-mo 2017 df-clab 2151 df-cleq 2157 df-clel 2160 df-nfc 2295 df-ne 2335 df-nel 2430 df-ral 2447 df-rex 2448 df-rab 2451 df-v 2723 df-dif 3113 df-un 3115 df-in 3117 df-ss 3124 df-pw 3555 df-sn 3576 df-pr 3577 df-op 3579 df-uni 3784 df-br 3977 df-opab 4038 df-xp 4604 df-pnf 7926 df-mnf 7927 df-ltxr 7929 |
This theorem is referenced by: 1lt3 9019 2lt4 9021 1lt4 9022 3lt5 9024 2lt5 9025 1lt5 9026 4lt6 9028 3lt6 9029 2lt6 9030 1lt6 9031 5lt7 9033 4lt7 9034 3lt7 9035 2lt7 9036 1lt7 9037 6lt8 9039 5lt8 9040 4lt8 9041 3lt8 9042 2lt8 9043 1lt8 9044 7lt9 9046 6lt9 9047 5lt9 9048 4lt9 9049 3lt9 9050 2lt9 9051 1lt9 9052 8lt10 9444 7lt10 9445 6lt10 9446 5lt10 9447 4lt10 9448 3lt10 9449 2lt10 9450 1lt10 9451 sincos2sgn 11692 cos12dec 11694 epos 11707 ene1 11711 eap1 11712 reeff1o 13235 pipos 13250 pigt3 13306 apdiff 13761 |
Copyright terms: Public domain | W3C validator |