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| Mirrors > Home > HSE Home > Th. List > stle0i | Structured version Visualization version GIF version | ||
| Description: If a state is less than or equal to 0, it is 0. (Contributed by NM, 11-Nov-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| sto1.1 | ⊢ 𝐴 ∈ Cℋ |
| Ref | Expression |
|---|---|
| stle0i | ⊢ (𝑆 ∈ States → ((𝑆‘𝐴) ≤ 0 ↔ (𝑆‘𝐴) = 0)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sto1.1 | . . . . . 6 ⊢ 𝐴 ∈ Cℋ | |
| 2 | stge0 32576 | . . . . . 6 ⊢ (𝑆 ∈ States → (𝐴 ∈ Cℋ → 0 ≤ (𝑆‘𝐴))) | |
| 3 | 1, 2 | mpi 21 | . . . . 5 ⊢ (𝑆 ∈ States → 0 ≤ (𝑆‘𝐴)) |
| 4 | 3 | anim2i 628 | . . . 4 ⊢ (((𝑆‘𝐴) ≤ 0 ∧ 𝑆 ∈ States) → ((𝑆‘𝐴) ≤ 0 ∧ 0 ≤ (𝑆‘𝐴))) |
| 5 | 4 | expcom 418 | . . 3 ⊢ (𝑆 ∈ States → ((𝑆‘𝐴) ≤ 0 → ((𝑆‘𝐴) ≤ 0 ∧ 0 ≤ (𝑆‘𝐴)))) |
| 6 | stcl 32568 | . . . . 5 ⊢ (𝑆 ∈ States → (𝐴 ∈ Cℋ → (𝑆‘𝐴) ∈ ℝ)) | |
| 7 | 1, 6 | mpi 21 | . . . 4 ⊢ (𝑆 ∈ States → (𝑆‘𝐴) ∈ ℝ) |
| 8 | 0re 11205 | . . . 4 ⊢ 0 ∈ ℝ | |
| 9 | letri3 11290 | . . . 4 ⊢ (((𝑆‘𝐴) ∈ ℝ ∧ 0 ∈ ℝ) → ((𝑆‘𝐴) = 0 ↔ ((𝑆‘𝐴) ≤ 0 ∧ 0 ≤ (𝑆‘𝐴)))) | |
| 10 | 7, 8, 9 | sylancl 597 | . . 3 ⊢ (𝑆 ∈ States → ((𝑆‘𝐴) = 0 ↔ ((𝑆‘𝐴) ≤ 0 ∧ 0 ≤ (𝑆‘𝐴)))) |
| 11 | 5, 10 | sylibrd 262 | . 2 ⊢ (𝑆 ∈ States → ((𝑆‘𝐴) ≤ 0 → (𝑆‘𝐴) = 0)) |
| 12 | 0le0 12337 | . . 3 ⊢ 0 ≤ 0 | |
| 13 | breq1 5112 | . . 3 ⊢ ((𝑆‘𝐴) = 0 → ((𝑆‘𝐴) ≤ 0 ↔ 0 ≤ 0)) | |
| 14 | 12, 13 | mpbiri 261 | . 2 ⊢ ((𝑆‘𝐴) = 0 → (𝑆‘𝐴) ≤ 0) |
| 15 | 11, 14 | impbid1 228 | 1 ⊢ (𝑆 ∈ States → ((𝑆‘𝐴) ≤ 0 ↔ (𝑆‘𝐴) = 0)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 ∧ wa 400 = wceq 1570 ∈ wcel 2143 class class class wbr 5109 ‘cfv 6536 ℝcr 11094 0cc0 11095 ≤ cle 11239 Cℋ cch 31281 Statescst 31314 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11151 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-addrcl 11156 ax-mulcl 11157 ax-mulrcl 11158 ax-i2m1 11163 ax-1ne0 11164 ax-rnegex 11166 ax-rrecex 11167 ax-cnre 11168 ax-pre-lttri 11169 ax-pre-lttrn 11170 ax-hilex 31351 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-po 5569 df-so 5570 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-ov 7413 df-oprab 7414 df-mpo 7415 df-er 8690 df-map 8822 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11240 df-mnf 11241 df-xr 11242 df-ltxr 11243 df-le 11244 df-icc 13374 df-sh 31559 df-ch 31573 df-st 32563 |
| This theorem is referenced by: (None) |
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