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| Mirrors > Home > MPE Home > Th. List > ltp1 | Structured version Visualization version GIF version | ||
| Description: A number is less than itself plus 1. (Contributed by NM, 20-Aug-2001.) |
| Ref | Expression |
|---|---|
| ltp1 | ⊢ (𝐴 ∈ ℝ → 𝐴 < (𝐴 + 1)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1re 11223 | . 2 ⊢ 1 ∈ ℝ | |
| 2 | 0lt1 11751 | . . 3 ⊢ 0 < 1 | |
| 3 | ltaddpos 11719 | . . 3 ⊢ ((1 ∈ ℝ ∧ 𝐴 ∈ ℝ) → (0 < 1 ↔ 𝐴 < (𝐴 + 1))) | |
| 4 | 2, 3 | mpbii 236 | . 2 ⊢ ((1 ∈ ℝ ∧ 𝐴 ∈ ℝ) → 𝐴 < (𝐴 + 1)) |
| 5 | 1, 4 | mpan 703 | 1 ⊢ (𝐴 ∈ ℝ → 𝐴 < (𝐴 + 1)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2146 class class class wbr 5111 (class class class)co 7419 ℝcr 11114 0cc0 11115 1c1 11116 + caddc 11118 < clt 11258 |
| 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 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-resscn 11172 ax-1cn 11173 ax-icn 11174 ax-addcl 11175 ax-addrcl 11176 ax-mulcl 11177 ax-mulrcl 11178 ax-mulcom 11179 ax-addass 11180 ax-mulass 11181 ax-distr 11182 ax-i2m1 11183 ax-1ne0 11184 ax-1rid 11185 ax-rnegex 11186 ax-rrecex 11187 ax-cnre 11188 ax-pre-lttri 11189 ax-pre-lttrn 11190 ax-pre-ltadd 11191 ax-pre-mulgt0 11192 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-po 5571 df-so 5572 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-pnf 11260 df-mnf 11261 df-xr 11262 df-ltxr 11263 df-le 11264 df-sub 11458 df-neg 11459 |
| This theorem is used by: lep1 12071 letrp1 12074 recp1lt1 12128 ledivp1 12132 ltp1i 12134 ltp1d 12160 sup2 12186 uzind 12704 ge0p1rp 13065 qbtwnxr 13242 xrsupsslem 13349 supxrunb1 13361 fzp1disj 13628 fzneuz 13653 fzp1nel 13656 fsequb 14029 caubnd 15434 rlim2lt 15572 o1fsum 15888 pcprendvds 16922 pcmpt 16974 iocopnst 25150 bndth 25168 ovolicc2lem3 25729 ioorcl2 25782 itg2const2 25951 reeff1olem 26660 axlowdimlem13 29359 icoreunrn 38062 poimirlem4 38332 poimirlem22 38350 mblfinlem1 38365 aks4d1p1p4 42896 xrpnf 46257 limsupre3lem 46504 fourierdlem25 46904 smfresal 47560 natlocalincr 47650 |
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