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| Mirrors > Home > MPE Home > Th. List > 1lt5 | Structured version Visualization version GIF version | ||
| Description: 1 is less than 5. (Contributed by Mario Carneiro, 15-Sep-2013.) |
| Ref | Expression |
|---|---|
| 1lt5 | ⊢ 1 < 5 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1lt4 12502 | . 2 ⊢ 1 < 4 | |
| 2 | 4lt5 12503 | . 2 ⊢ 4 < 5 | |
| 3 | 1re 11289 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 4re 12408 | . . 3 ⊢ 4 ∈ ℝ | |
| 5 | 5re 12411 | . . 3 ⊢ 5 ∈ ℝ | |
| 6 | 3, 4, 5 | lttri 11417 | . 2 ⊢ ((1 < 4 ∧ 4 < 5) → 1 < 5) |
| 7 | 1, 2, 6 | mp2an 705 | 1 ⊢ 1 < 5 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: class class class wbr 5103 1c1 11182 < clt 11324 4c4 12380 5c5 12381 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 ax-resscn 11238 ax-1cn 11239 ax-icn 11240 ax-addcl 11241 ax-addrcl 11242 ax-mulcl 11243 ax-mulrcl 11244 ax-mulcom 11245 ax-addass 11246 ax-mulass 11247 ax-distr 11248 ax-i2m1 11249 ax-1ne0 11250 ax-1rid 11251 ax-rnegex 11252 ax-rrecex 11253 ax-cnre 11254 ax-pre-lttri 11255 ax-pre-lttrn 11256 ax-pre-ltadd 11257 ax-pre-mulgt0 11258 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-po 5559 df-so 5560 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-er 8701 df-en 8958 df-dom 8959 df-sdom 8960 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11524 df-neg 11525 df-2 12386 df-3 12387 df-4 12388 df-5 12389 |
| This theorem is used by: 5ndvds6 16564 dec5nprm 17224 dec2nprm 17225 5prm 17266 10nprmOLD 17272 prmlem2 17278 631prm 17285 scandxnbasendx 17467 slotsdifocndx 17568 ppiub 27513 2lgslem3 27713 goldratval 47880 modp2nep1 48387 modm1nem2 48389 fmtno4prmfac193 48602 31prm 48626 usgrexmpl1lem 49063 usgrexmpl2lem 49068 usgrexmpl2nb1 49074 usgrexmpl2nb5 49078 usgrexmpl2trifr 49079 pgnbgreunbgrlem2lem1 49156 pgnbgreunbgrlem2lem2 49157 gpg5edgnedg 49172 grlimedgnedg 49173 veronesev1lem 50917 veronesev5lem 50921 veronesevrowd 50923 |
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