| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > xrsadd | Structured version Visualization version GIF version | ||
| Description: The addition operation of the extended real number structure. (Contributed by Mario Carneiro, 21-Aug-2015.) |
| Ref | Expression |
|---|---|
| xrsadd | ⊢ +𝑒 = (+g‘ℝ*𝑠) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xaddf 13266 | . . 3 ⊢ +𝑒 :(ℝ* × ℝ*)⟶ℝ* | |
| 2 | xrex 13027 | . . . 4 ⊢ ℝ* ∈ V | |
| 3 | 2, 2 | xpex 7758 | . . 3 ⊢ (ℝ* × ℝ*) ∈ V |
| 4 | fex2 7939 | . . 3 ⊢ (( +𝑒 :(ℝ* × ℝ*)⟶ℝ* ∧ (ℝ* × ℝ*) ∈ V ∧ ℝ* ∈ V) → +𝑒 ∈ V) | |
| 5 | 1, 3, 2, 4 | mp3an 1490 | . 2 ⊢ +𝑒 ∈ V |
| 6 | df-xrs 17578 | . . 3 ⊢ ℝ*𝑠 = ({〈(Base‘ndx), ℝ*〉, 〈(+g‘ndx), +𝑒 〉, 〈(.r‘ndx), ·e 〉} ∪ {〈(TopSet‘ndx), (ordTop‘ ≤ )〉, 〈(le‘ndx), ≤ 〉, 〈(dist‘ndx), (𝑥 ∈ ℝ*, 𝑦 ∈ ℝ* ↦ if(𝑥 ≤ 𝑦, (𝑦 +𝑒 -𝑒𝑥), (𝑥 +𝑒 -𝑒𝑦)))〉}) | |
| 7 | 6 | odrngplusg 17480 | . 2 ⊢ ( +𝑒 ∈ V → +𝑒 = (+g‘ℝ*𝑠)) |
| 8 | 5, 7 | ax-mp 5 | 1 ⊢ +𝑒 = (+g‘ℝ*𝑠) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2146 Vcvv 3457 ifcif 4489 class class class wbr 5111 × cxp 5661 ⟶wf 6536 ‘cfv 6540 (class class class)co 7419 ∈ cmpo 7421 ℝ*cxr 11257 ≤ cle 11259 -𝑒cxne 13150 +𝑒 cxad 13151 ·e cxmu 13152 +gcplusg 17332 ordTopcordt 17575 ℝ*𝑠cxrs 17576 |
| 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 11171 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-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 11260 df-mnf 11261 df-xr 11262 df-ltxr 11263 df-le 11264 df-sub 11458 df-neg 11459 df-nn 12249 df-2 12318 df-3 12319 df-4 12320 df-5 12321 df-6 12322 df-7 12323 df-8 12324 df-9 12325 df-n0 12520 df-z 12607 df-dec 12728 df-uz 12879 df-xadd 13154 df-fz 13552 df-struct 17229 df-slot 17264 df-ndx 17276 df-base 17292 df-plusg 17345 df-mulr 17346 df-tset 17351 df-ple 17352 df-ds 17354 df-xrs 17578 |
| This theorem is used by: xrsmgm 21607 xrsnsgrp 21608 xrge0plusg 21639 xrs1mnd 21640 xrs10 21641 xrs1cmn 21642 xrge0subm 21643 imasdsf1olem 24581 xrge0gsumle 25042 xrs0 33390 xrsinvgval 33392 xrsmulgzz 33393 xrge0tmdALT 34400 esumpfinvallem 34528 sge0tsms 47152 |
| Copyright terms: Public domain | W3C validator |