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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 32517 | . . . . . 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 32509 | . . . . 5 ⊢ (𝑆 ∈ States → (𝐴 ∈ Cℋ → (𝑆‘𝐴) ∈ ℝ)) | |
| 7 | 1, 6 | mpi 21 | . . . 4 ⊢ (𝑆 ∈ States → (𝑆‘𝐴) ∈ ℝ) |
| 8 | 0re 11210 | . . . 4 ⊢ 0 ∈ ℝ | |
| 9 | letri3 11295 | . . . 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 12342 | . . 3 ⊢ 0 ≤ 0 | |
| 13 | breq1 5116 | . . 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 1567 ∈ wcel 2149 class class class wbr 5113 ‘cfv 6537 ℝcr 11099 0cc0 11100 ≤ cle 11244 Cℋ cch 31222 Statescst 31255 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11156 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-i2m1 11168 ax-1ne0 11169 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-hilex 31292 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-po 5570 df-so 5571 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-ov 7414 df-oprab 7415 df-mpo 7416 df-er 8694 df-map 8826 df-en 8944 df-dom 8945 df-sdom 8946 df-pnf 11245 df-mnf 11246 df-xr 11247 df-ltxr 11248 df-le 11249 df-icc 13379 df-sh 31500 df-ch 31514 df-st 32504 |
| This theorem is referenced by: (None) |
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