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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 12437 | . 2 ⊢ 1 < 4 | |
| 2 | 4lt5 12438 | . 2 ⊢ 4 < 5 | |
| 3 | 1re 11226 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 4re 12343 | . . 3 ⊢ 4 ∈ ℝ | |
| 5 | 5re 12346 | . . 3 ⊢ 5 ∈ ℝ | |
| 6 | 3, 4, 5 | lttri 11354 | . 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 5114 1c1 11119 < clt 11261 4c4 12315 5c5 12316 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 ax-resscn 11175 ax-1cn 11176 ax-icn 11177 ax-addcl 11178 ax-addrcl 11179 ax-mulcl 11180 ax-mulrcl 11181 ax-mulcom 11182 ax-addass 11183 ax-mulass 11184 ax-distr 11185 ax-i2m1 11186 ax-1ne0 11187 ax-1rid 11188 ax-rnegex 11189 ax-rrecex 11190 ax-cnre 11191 ax-pre-lttri 11192 ax-pre-lttrn 11193 ax-pre-ltadd 11194 ax-pre-mulgt0 11195 |
| 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 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-nel 3068 df-ral 3083 df-rex 3093 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-br 5115 df-opab 5179 df-mpt 5198 df-id 5561 df-po 5574 df-so 5575 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7380 df-ov 7426 df-oprab 7427 df-mpo 7428 df-er 8703 df-en 8953 df-dom 8954 df-sdom 8955 df-pnf 11263 df-mnf 11264 df-xr 11265 df-ltxr 11266 df-le 11267 df-sub 11461 df-neg 11462 df-2 12321 df-3 12322 df-4 12323 df-5 12324 |
| This theorem is used by: 5ndvds6 16497 dec5nprm 17151 dec2nprm 17152 5prm 17193 10nprmOLD 17199 prmlem2 17205 631prm 17212 scandxnbasendx 17394 slotsdifocndx 17495 ppiub 27405 2lgslem3 27605 modp2nep1 48151 modm1nem2 48153 fmtno4prmfac193 48366 31prm 48390 usgrexmpl1lem 48827 usgrexmpl2lem 48832 usgrexmpl2nb1 48838 usgrexmpl2nb5 48842 usgrexmpl2trifr 48843 pgnbgreunbgrlem2lem1 48920 pgnbgreunbgrlem2lem2 48921 gpg5edgnedg 48936 grlimedgnedg 48937 |
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