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Theorem xrminadd 11960
Description: Distributing addition over minimum. (Contributed by Jim Kingdon, 10-May-2023.)
Assertion
Ref Expression
xrminadd  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  -> inf ( { ( A +e
B ) ,  ( A +e C ) } ,  RR* ,  <  )  =  ( A +einf ( { B ,  C } ,  RR* ,  <  ) ) )

Proof of Theorem xrminadd
StepHypRef Expression
1 simp1 1024 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  A  e.  RR* )
21xnegcld 10188 . . 3  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  -e
A  e.  RR* )
3 simp2 1025 . . . . 5  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  B  e.  RR* )
43xnegcld 10188 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  -e
B  e.  RR* )
5 simp3 1026 . . . . 5  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  C  e.  RR* )
65xnegcld 10188 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  -e
C  e.  RR* )
7 xrmaxcl 11937 . . . 4  |-  ( ( 
-e B  e. 
RR*  /\  -e C  e.  RR* )  ->  sup ( {  -e B ,  -e C } ,  RR* ,  <  )  e.  RR* )
84, 6, 7syl2anc 411 . . 3  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  sup ( {  -e B ,  -e C } ,  RR* ,  <  )  e.  RR* )
9 xnegdi 10201 . . 3  |-  ( ( 
-e A  e. 
RR*  /\  sup ( {  -e B ,  -e C } ,  RR* ,  <  )  e. 
RR* )  ->  -e
(  -e A +e sup ( {  -e
B ,  -e
C } ,  RR* ,  <  ) )  =  (  -e  -e A +e  -e sup ( { 
-e B ,  -e C } ,  RR* ,  <  ) ) )
102, 8, 9syl2anc 411 . 2  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  -e
(  -e A +e sup ( {  -e
B ,  -e
C } ,  RR* ,  <  ) )  =  (  -e  -e A +e  -e sup ( { 
-e B ,  -e C } ,  RR* ,  <  ) ) )
111, 3xaddcld 10217 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  ( A +e B )  e.  RR* )
121, 5xaddcld 10217 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  ( A +e C )  e.  RR* )
13 xrminmax 11950 . . . 4  |-  ( ( ( A +e
B )  e.  RR*  /\  ( A +e
C )  e.  RR* )  -> inf ( { ( A +e B ) ,  ( A +e C ) } ,  RR* ,  <  )  =  -e sup ( {  -e
( A +e
B ) ,  -e ( A +e C ) } ,  RR* ,  <  )
)
1411, 12, 13syl2anc 411 . . 3  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  -> inf ( { ( A +e
B ) ,  ( A +e C ) } ,  RR* ,  <  )  =  -e sup ( {  -e
( A +e
B ) ,  -e ( A +e C ) } ,  RR* ,  <  )
)
15 xnegdi 10201 . . . . . . 7  |-  ( ( A  e.  RR*  /\  B  e.  RR* )  ->  -e
( A +e
B )  =  ( 
-e A +e  -e B ) )
161, 3, 15syl2anc 411 . . . . . 6  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  -e
( A +e
B )  =  ( 
-e A +e  -e B ) )
17 xnegdi 10201 . . . . . . 7  |-  ( ( A  e.  RR*  /\  C  e.  RR* )  ->  -e
( A +e
C )  =  ( 
-e A +e  -e C ) )
181, 5, 17syl2anc 411 . . . . . 6  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  -e
( A +e
C )  =  ( 
-e A +e  -e C ) )
1916, 18preq12d 3776 . . . . 5  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  {  -e
( A +e
B ) ,  -e ( A +e C ) }  =  { (  -e A +e  -e B ) ,  (  -e A +e  -e
C ) } )
2019supeq1d 7278 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  sup ( {  -e ( A +e B ) ,  -e
( A +e
C ) } ,  RR* ,  <  )  =  sup ( { ( 
-e A +e  -e B ) ,  (  -e
A +e  -e C ) } ,  RR* ,  <  )
)
21 xnegeq 10160 . . . 4  |-  ( sup ( {  -e
( A +e
B ) ,  -e ( A +e C ) } ,  RR* ,  <  )  =  sup ( { ( 
-e A +e  -e B ) ,  (  -e
A +e  -e C ) } ,  RR* ,  <  )  -> 
-e sup ( {  -e ( A +e B ) ,  -e ( A +e C ) } ,  RR* ,  <  )  =  -e sup ( { ( 
-e A +e  -e B ) ,  (  -e
A +e  -e C ) } ,  RR* ,  <  )
)
2220, 21syl 14 . . 3  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  -e sup ( {  -e
( A +e
B ) ,  -e ( A +e C ) } ,  RR* ,  <  )  =  -e sup ( { (  -e
A +e  -e B ) ,  (  -e A +e  -e
C ) } ,  RR* ,  <  ) )
23 xrmaxadd 11946 . . . . 5  |-  ( ( 
-e A  e. 
RR*  /\  -e B  e.  RR*  /\  -e
C  e.  RR* )  ->  sup ( { ( 
-e A +e  -e B ) ,  (  -e
A +e  -e C ) } ,  RR* ,  <  )  =  (  -e A +e sup ( {  -e B ,  -e C } ,  RR* ,  <  ) ) )
242, 4, 6, 23syl3anc 1274 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  sup ( { (  -e
A +e  -e B ) ,  (  -e A +e  -e
C ) } ,  RR* ,  <  )  =  (  -e A +e sup ( {  -e B ,  -e C } ,  RR* ,  <  ) ) )
25 xnegeq 10160 . . . 4  |-  ( sup ( { (  -e A +e  -e B ) ,  (  -e A +e  -e
C ) } ,  RR* ,  <  )  =  (  -e A +e sup ( {  -e B ,  -e C } ,  RR* ,  <  ) )  ->  -e sup ( { (  -e
A +e  -e B ) ,  (  -e A +e  -e
C ) } ,  RR* ,  <  )  = 
-e (  -e A +e sup ( {  -e
B ,  -e
C } ,  RR* ,  <  ) ) )
2624, 25syl 14 . . 3  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  -e sup ( { (  -e A +e  -e B ) ,  (  -e A +e  -e
C ) } ,  RR* ,  <  )  = 
-e (  -e A +e sup ( {  -e
B ,  -e
C } ,  RR* ,  <  ) ) )
2714, 22, 263eqtrd 2269 . 2  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  -> inf ( { ( A +e
B ) ,  ( A +e C ) } ,  RR* ,  <  )  =  -e (  -e
A +e sup ( {  -e
B ,  -e
C } ,  RR* ,  <  ) ) )
28 xnegneg 10166 . . . . 5  |-  ( A  e.  RR*  ->  -e  -e A  =  A )
2928eqcomd 2238 . . . 4  |-  ( A  e.  RR*  ->  A  = 
-e  -e
A )
301, 29syl 14 . . 3  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  A  =  -e  -e
A )
31 xrminmax 11950 . . . 4  |-  ( ( B  e.  RR*  /\  C  e.  RR* )  -> inf ( { B ,  C } ,  RR* ,  <  )  =  -e sup ( {  -e B ,  -e C } ,  RR* ,  <  ) )
323, 5, 31syl2anc 411 . . 3  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  -> inf ( { B ,  C } ,  RR* ,  <  )  =  -e sup ( {  -e B ,  -e C } ,  RR* ,  <  ) )
3330, 32oveq12d 6068 . 2  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  ( A +einf ( { B ,  C } ,  RR* ,  <  )
)  =  (  -e  -e A +e  -e sup ( {  -e B ,  -e C } ,  RR* ,  <  ) ) )
3410, 27, 333eqtr4d 2275 1  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  -> inf ( { ( A +e
B ) ,  ( A +e C ) } ,  RR* ,  <  )  =  ( A +einf ( { B ,  C } ,  RR* ,  <  ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ w3a 1005    = wceq 1398    e. wcel 2203   {cpr 3690  (class class class)co 6050   supcsup 7273  infcinf 7274   RR*cxr 8307    < clt 8308    -ecxne 10102   +ecxad 10103
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2205  ax-14 2206  ax-ext 2214  ax-coll 4225  ax-sep 4228  ax-nul 4236  ax-pow 4287  ax-pr 4322  ax-un 4554  ax-setind 4659  ax-iinf 4710  ax-cnex 8218  ax-resscn 8219  ax-1cn 8220  ax-1re 8221  ax-icn 8222  ax-addcl 8223  ax-addrcl 8224  ax-mulcl 8225  ax-mulrcl 8226  ax-addcom 8227  ax-mulcom 8228  ax-addass 8229  ax-mulass 8230  ax-distr 8231  ax-i2m1 8232  ax-0lt1 8233  ax-1rid 8234  ax-0id 8235  ax-rnegex 8236  ax-precex 8237  ax-cnre 8238  ax-pre-ltirr 8239  ax-pre-ltwlin 8240  ax-pre-lttrn 8241  ax-pre-apti 8242  ax-pre-ltadd 8243  ax-pre-mulgt0 8244  ax-pre-mulext 8245  ax-arch 8246  ax-caucvg 8247
This theorem depends on definitions:  df-bi 117  df-dc 843  df-3or 1006  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2083  df-mo 2084  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ne 2413  df-nel 2508  df-ral 2525  df-rex 2526  df-reu 2527  df-rmo 2528  df-rab 2529  df-v 2815  df-sbc 3043  df-csb 3139  df-dif 3213  df-un 3215  df-in 3217  df-ss 3224  df-nul 3509  df-if 3621  df-pw 3671  df-sn 3695  df-pr 3696  df-op 3698  df-uni 3915  df-int 3950  df-iun 3993  df-br 4110  df-opab 4172  df-mpt 4173  df-tr 4209  df-id 4414  df-po 4417  df-iso 4418  df-iord 4487  df-on 4489  df-ilim 4490  df-suc 4492  df-iom 4713  df-xp 4755  df-rel 4756  df-cnv 4757  df-co 4758  df-dm 4759  df-rn 4760  df-res 4761  df-ima 4762  df-iota 5312  df-fun 5354  df-fn 5355  df-f 5356  df-f1 5357  df-fo 5358  df-f1o 5359  df-fv 5360  df-isom 5361  df-riota 6003  df-ov 6053  df-oprab 6054  df-mpo 6055  df-1st 6334  df-2nd 6335  df-recs 6536  df-frec 6622  df-sup 7275  df-inf 7276  df-pnf 8310  df-mnf 8311  df-xr 8312  df-ltxr 8313  df-le 8314  df-sub 8446  df-neg 8447  df-reap 8849  df-ap 8856  df-div 8947  df-inn 9238  df-2 9296  df-3 9297  df-4 9298  df-n0 9497  df-z 9578  df-uz 9854  df-rp 9987  df-xneg 10105  df-xadd 10106  df-seqfrec 10810  df-exp 10901  df-cj 11527  df-re 11528  df-im 11529  df-rsqrt 11683  df-abs 11684
This theorem is referenced by: (None)
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