| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > 1lt4 | Structured version Visualization version GIF version | ||
| Description: 1 is less than 4. (Contributed by Mario Carneiro, 15-Sep-2013.) |
| Ref | Expression |
|---|---|
| 1lt4 | ⊢ 1 < 4 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1lt2 12341 | . 2 ⊢ 1 < 2 | |
| 2 | 2lt4 12345 | . 2 ⊢ 2 < 4 | |
| 3 | 1re 11138 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2re 12249 | . . 3 ⊢ 2 ∈ ℝ | |
| 5 | 4re 12259 | . . 3 ⊢ 4 ∈ ℝ | |
| 6 | 3, 4, 5 | lttri 11266 | . 2 ⊢ ((1 < 2 ∧ 2 < 4) → 1 < 4) |
| 7 | 1, 2, 6 | mp2an 693 | 1 ⊢ 1 < 4 |
| Colors of variables: wff setvar class |
| Syntax hints: class class class wbr 5086 1c1 11033 < clt 11173 2c2 12230 4c4 12232 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-addass 11097 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 ax-pre-lttri 11106 ax-pre-lttrn 11107 ax-pre-ltadd 11108 ax-pre-mulgt0 11109 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5520 df-po 5533 df-so 5534 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-pnf 11175 df-mnf 11176 df-xr 11177 df-ltxr 11178 df-le 11179 df-sub 11373 df-neg 11374 df-2 12238 df-3 12239 df-4 12240 |
| This theorem is referenced by: 1lt5 12350 fldiv4p1lem1div2 13788 fldiv4lem1div2 13790 flodddiv4 16378 8nprm 17076 starvndxnbasendx 17261 slotsdifocndx 17374 m1lgs 27368 2lgslem3a 27376 2lgslem3c 27378 addsq2nreurex 27424 pntibndlem1 27569 usgrexmplef 29345 upgr4cycl4dv4e 30273 lcmineqlem 42508 aks4d1p1p7 42530 aks4d1p1p5 42531 nprmdvdsfacm1lem4 48101 4fppr1 48226 nnsum4primeseven 48291 nnsum4primesevenALTV 48292 tgblthelfgott 48306 usgrexmpl1lem 48512 usgrexmpl2lem 48517 usgrexmpl2nb1 48523 usgrexmpl2nb4 48526 usgrexmpl2trifr 48528 gpgprismgr4cycllem7 48592 gpgprismgr4cycllem10 48595 |
| Copyright terms: Public domain | W3C validator |