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Mirrors > Home > ILE Home > Th. List > ltprordil | Unicode version |
Description: If a positive real is less than a second positive real, its lower cut is a subset of the second's lower cut. (Contributed by Jim Kingdon, 23-Dec-2019.) |
Ref | Expression |
---|---|
ltprordil |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ltrelpr 7517 |
. . . 4
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2 | 1 | brel 4690 |
. . 3
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3 | ltdfpr 7518 |
. . . 4
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4 | 3 | biimpd 144 |
. . 3
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5 | 2, 4 | mpcom 36 |
. 2
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6 | simpll 527 |
. . . . . 6
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7 | simpr 110 |
. . . . . 6
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8 | simprrl 539 |
. . . . . . 7
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9 | 8 | adantr 276 |
. . . . . 6
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10 | 2 | simpld 112 |
. . . . . . . 8
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11 | prop 7487 |
. . . . . . . 8
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12 | 10, 11 | syl 14 |
. . . . . . 7
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13 | prltlu 7499 |
. . . . . . 7
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14 | 12, 13 | syl3an1 1281 |
. . . . . 6
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15 | 6, 7, 9, 14 | syl3anc 1248 |
. . . . 5
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16 | simprrr 540 |
. . . . . . 7
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17 | 16 | adantr 276 |
. . . . . 6
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18 | 2 | simprd 114 |
. . . . . . . 8
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19 | prop 7487 |
. . . . . . . 8
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20 | 18, 19 | syl 14 |
. . . . . . 7
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21 | prcdnql 7496 |
. . . . . . 7
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22 | 20, 21 | sylan 283 |
. . . . . 6
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23 | 6, 17, 22 | syl2anc 411 |
. . . . 5
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24 | 15, 23 | mpd 13 |
. . . 4
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25 | 24 | ex 115 |
. . 3
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26 | 25 | ssrdv 3173 |
. 2
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27 | 5, 26 | rexlimddv 2609 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 710 ax-5 1457 ax-7 1458 ax-gen 1459 ax-ie1 1503 ax-ie2 1504 ax-8 1514 ax-10 1515 ax-11 1516 ax-i12 1517 ax-bndl 1519 ax-4 1520 ax-17 1536 ax-i9 1540 ax-ial 1544 ax-i5r 1545 ax-13 2160 ax-14 2161 ax-ext 2169 ax-coll 4130 ax-sep 4133 ax-nul 4141 ax-pow 4186 ax-pr 4221 ax-un 4445 ax-setind 4548 ax-iinf 4599 |
This theorem depends on definitions: df-bi 117 df-dc 836 df-3or 980 df-3an 981 df-tru 1366 df-fal 1369 df-nf 1471 df-sb 1773 df-eu 2039 df-mo 2040 df-clab 2174 df-cleq 2180 df-clel 2183 df-nfc 2318 df-ne 2358 df-ral 2470 df-rex 2471 df-reu 2472 df-rab 2474 df-v 2751 df-sbc 2975 df-csb 3070 df-dif 3143 df-un 3145 df-in 3147 df-ss 3154 df-nul 3435 df-pw 3589 df-sn 3610 df-pr 3611 df-op 3613 df-uni 3822 df-int 3857 df-iun 3900 df-br 4016 df-opab 4077 df-mpt 4078 df-tr 4114 df-eprel 4301 df-id 4305 df-po 4308 df-iso 4309 df-iord 4378 df-on 4380 df-suc 4383 df-iom 4602 df-xp 4644 df-rel 4645 df-cnv 4646 df-co 4647 df-dm 4648 df-rn 4649 df-res 4650 df-ima 4651 df-iota 5190 df-fun 5230 df-fn 5231 df-f 5232 df-f1 5233 df-fo 5234 df-f1o 5235 df-fv 5236 df-ov 5891 df-oprab 5892 df-mpo 5893 df-1st 6154 df-2nd 6155 df-recs 6319 df-irdg 6384 df-oadd 6434 df-omul 6435 df-er 6548 df-ec 6550 df-qs 6554 df-ni 7316 df-mi 7318 df-lti 7319 df-enq 7359 df-nqqs 7360 df-ltnqqs 7365 df-inp 7478 df-iltp 7482 |
This theorem is referenced by: ltexprlemrl 7622 |
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