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Theorem xrminadd 11781
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 1021 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  A  e.  RR* )
21xnegcld 10047 . . 3  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  -e
A  e.  RR* )
3 simp2 1022 . . . . 5  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  B  e.  RR* )
43xnegcld 10047 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  -e
B  e.  RR* )
5 simp3 1023 . . . . 5  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  C  e.  RR* )
65xnegcld 10047 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  -e
C  e.  RR* )
7 xrmaxcl 11758 . . . 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 10060 . . 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 10076 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  ( A +e B )  e.  RR* )
121, 5xaddcld 10076 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  ( A +e C )  e.  RR* )
13 xrminmax 11771 . . . 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 10060 . . . . . . 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 10060 . . . . . . 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 3751 . . . . 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 7150 . . . 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 10019 . . . 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 11767 . . . . 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 1271 . . . 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 10019 . . . 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 2266 . 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 10025 . . . . 5  |-  ( A  e.  RR*  ->  -e  -e A  =  A )
2928eqcomd 2235 . . . 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 11771 . . . 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 6018 . 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 2272 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 1002    = wceq 1395    e. wcel 2200   {cpr 3667  (class class class)co 6000   supcsup 7145  infcinf 7146   RR*cxr 8176    < clt 8177    -ecxne 9961   +ecxad 9962
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 617  ax-in2 618  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-coll 4198  ax-sep 4201  ax-nul 4209  ax-pow 4257  ax-pr 4292  ax-un 4523  ax-setind 4628  ax-iinf 4679  ax-cnex 8086  ax-resscn 8087  ax-1cn 8088  ax-1re 8089  ax-icn 8090  ax-addcl 8091  ax-addrcl 8092  ax-mulcl 8093  ax-mulrcl 8094  ax-addcom 8095  ax-mulcom 8096  ax-addass 8097  ax-mulass 8098  ax-distr 8099  ax-i2m1 8100  ax-0lt1 8101  ax-1rid 8102  ax-0id 8103  ax-rnegex 8104  ax-precex 8105  ax-cnre 8106  ax-pre-ltirr 8107  ax-pre-ltwlin 8108  ax-pre-lttrn 8109  ax-pre-apti 8110  ax-pre-ltadd 8111  ax-pre-mulgt0 8112  ax-pre-mulext 8113  ax-arch 8114  ax-caucvg 8115
This theorem depends on definitions:  df-bi 117  df-dc 840  df-3or 1003  df-3an 1004  df-tru 1398  df-fal 1401  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ne 2401  df-nel 2496  df-ral 2513  df-rex 2514  df-reu 2515  df-rmo 2516  df-rab 2517  df-v 2801  df-sbc 3029  df-csb 3125  df-dif 3199  df-un 3201  df-in 3203  df-ss 3210  df-nul 3492  df-if 3603  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3888  df-int 3923  df-iun 3966  df-br 4083  df-opab 4145  df-mpt 4146  df-tr 4182  df-id 4383  df-po 4386  df-iso 4387  df-iord 4456  df-on 4458  df-ilim 4459  df-suc 4461  df-iom 4682  df-xp 4724  df-rel 4725  df-cnv 4726  df-co 4727  df-dm 4728  df-rn 4729  df-res 4730  df-ima 4731  df-iota 5277  df-fun 5319  df-fn 5320  df-f 5321  df-f1 5322  df-fo 5323  df-f1o 5324  df-fv 5325  df-isom 5326  df-riota 5953  df-ov 6003  df-oprab 6004  df-mpo 6005  df-1st 6284  df-2nd 6285  df-recs 6449  df-frec 6535  df-sup 7147  df-inf 7148  df-pnf 8179  df-mnf 8180  df-xr 8181  df-ltxr 8182  df-le 8183  df-sub 8315  df-neg 8316  df-reap 8718  df-ap 8725  df-div 8816  df-inn 9107  df-2 9165  df-3 9166  df-4 9167  df-n0 9366  df-z 9443  df-uz 9719  df-rp 9846  df-xneg 9964  df-xadd 9965  df-seqfrec 10665  df-exp 10756  df-cj 11348  df-re 11349  df-im 11350  df-rsqrt 11504  df-abs 11505
This theorem is referenced by: (None)
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