| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > xrge0mulgnn0 | Structured version Visualization version GIF version | ||
| Description: The group multiple function in the extended nonnegative real numbers. (Contributed by Thierry Arnoux, 14-Jun-2017.) |
| Ref | Expression |
|---|---|
| xrge0mulgnn0 | ⊢ ((𝐴 ∈ ℕ0 ∧ 𝐵 ∈ (0[,]+∞)) → (𝐴(.g‘(ℝ*𝑠 ↾s (0[,]+∞)))𝐵) = (𝐴 ·e 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2765 | . . 3 ⊢ (ℝ*𝑠 ↾s (0[,]+∞)) = (ℝ*𝑠 ↾s (0[,]+∞)) | |
| 2 | iccssxr 13475 | . . . 4 ⊢ (0[,]+∞) ⊆ ℝ* | |
| 3 | xrsbas 17684 | . . . 4 ⊢ ℝ* = (Base‘ℝ*𝑠) | |
| 4 | 2, 3 | sseqtri 3986 | . . 3 ⊢ (0[,]+∞) ⊆ (Base‘ℝ*𝑠) |
| 5 | eqid 2765 | . . 3 ⊢ (.g‘ℝ*𝑠) = (.g‘ℝ*𝑠) | |
| 6 | eqid 2765 | . . 3 ⊢ (invg‘ℝ*𝑠) = (invg‘ℝ*𝑠) | |
| 7 | xrs0 33392 | . . . 4 ⊢ 0 = (0g‘ℝ*𝑠) | |
| 8 | xrge00 33400 | . . . 4 ⊢ 0 = (0g‘(ℝ*𝑠 ↾s (0[,]+∞))) | |
| 9 | 7, 8 | eqtr3i 2790 | . . 3 ⊢ (0g‘ℝ*𝑠) = (0g‘(ℝ*𝑠 ↾s (0[,]+∞))) |
| 10 | 1, 4, 5, 6, 9 | ressmulgnn0 19189 | . 2 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝐵 ∈ (0[,]+∞)) → (𝐴(.g‘(ℝ*𝑠 ↾s (0[,]+∞)))𝐵) = (𝐴(.g‘ℝ*𝑠)𝐵)) |
| 11 | nn0z 12632 | . . 3 ⊢ (𝐴 ∈ ℕ0 → 𝐴 ∈ ℤ) | |
| 12 | eliccxr 13480 | . . 3 ⊢ (𝐵 ∈ (0[,]+∞) → 𝐵 ∈ ℝ*) | |
| 13 | xrsmulgzz 33395 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 𝐵 ∈ ℝ*) → (𝐴(.g‘ℝ*𝑠)𝐵) = (𝐴 ·e 𝐵)) | |
| 14 | 11, 12, 13 | syl2an 608 | . 2 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝐵 ∈ (0[,]+∞)) → (𝐴(.g‘ℝ*𝑠)𝐵) = (𝐴 ·e 𝐵)) |
| 15 | 10, 14 | eqtrd 2800 | 1 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝐵 ∈ (0[,]+∞)) → (𝐴(.g‘(ℝ*𝑠 ↾s (0[,]+∞)))𝐵) = (𝐴 ·e 𝐵)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2146 ‘cfv 6540 (class class class)co 7419 0cc0 11117 +∞cpnf 11257 ℝ*cxr 11259 ℕ0cn0 12521 ℤcz 12608 ·e cxmu 13154 [,]cicc 13393 Basecbs 17293 ↾s cress 17314 0gc0g 17516 ℝ*𝑠cxrs 17578 invgcminusg 19047 .gcmg 19179 |
| 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-cnex 11173 ax-resscn 11174 ax-1cn 11175 ax-icn 11176 ax-addcl 11177 ax-addrcl 11178 ax-mulcl 11179 ax-mulrcl 11180 ax-mulcom 11181 ax-addass 11182 ax-mulass 11183 ax-distr 11184 ax-i2m1 11185 ax-1ne0 11186 ax-1rid 11187 ax-rnegex 11188 ax-rrecex 11189 ax-cnre 11190 ax-pre-lttri 11191 ax-pre-lttrn 11192 ax-pre-ltadd 11193 ax-pre-mulgt0 11194 |
| 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-rmo 3371 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-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 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-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 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-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-1o 8459 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-fin 8953 df-pnf 11262 df-mnf 11263 df-xr 11264 df-ltxr 11265 df-le 11266 df-sub 11460 df-neg 11461 df-nn 12251 df-2 12320 df-3 12321 df-4 12322 df-5 12323 df-6 12324 df-7 12325 df-8 12326 df-9 12327 df-n0 12522 df-z 12609 df-dec 12730 df-uz 12881 df-xneg 13155 df-xadd 13156 df-xmul 13157 df-icc 13397 df-fz 13554 df-seq 14058 df-struct 17231 df-sets 17248 df-slot 17266 df-ndx 17278 df-base 17294 df-ress 17315 df-plusg 17347 df-mulr 17348 df-tset 17353 df-ple 17354 df-ds 17356 df-0g 17518 df-xrs 17580 df-mgm 18722 df-sgrp 18811 df-mnd 18827 df-submnd 18881 df-minusg 19050 df-mulg 19180 df-cmn 19898 |
| This theorem is used by: esumcst 34519 |
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