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Theorem xrminadd 11835
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 1023 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  A  e.  RR* )
21xnegcld 10089 . . 3  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  -e
A  e.  RR* )
3 simp2 1024 . . . . 5  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  B  e.  RR* )
43xnegcld 10089 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  -e
B  e.  RR* )
5 simp3 1025 . . . . 5  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  C  e.  RR* )
65xnegcld 10089 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  -e
C  e.  RR* )
7 xrmaxcl 11812 . . . 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 10102 . . 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 10118 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  ( A +e B )  e.  RR* )
121, 5xaddcld 10118 . . . 4  |-  ( ( A  e.  RR*  /\  B  e.  RR*  /\  C  e. 
RR* )  ->  ( A +e C )  e.  RR* )
13 xrminmax 11825 . . . 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 10102 . . . . . . 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 10102 . . . . . . 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 3756 . . . . 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 7185 . . . 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 10061 . . . 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 11821 . . . . 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 1273 . . . 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 10061 . . . 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 2268 . 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 10067 . . . . 5  |-  ( A  e.  RR*  ->  -e  -e A  =  A )
2928eqcomd 2237 . . . 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 11825 . . . 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 6035 . 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 2274 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 1004    = wceq 1397    e. wcel 2202   {cpr 3670  (class class class)co 6017   supcsup 7180  infcinf 7181   RR*cxr 8212    < clt 8213    -ecxne 10003   +ecxad 10004
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 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-13 2204  ax-14 2205  ax-ext 2213  ax-coll 4204  ax-sep 4207  ax-nul 4215  ax-pow 4264  ax-pr 4299  ax-un 4530  ax-setind 4635  ax-iinf 4686  ax-cnex 8122  ax-resscn 8123  ax-1cn 8124  ax-1re 8125  ax-icn 8126  ax-addcl 8127  ax-addrcl 8128  ax-mulcl 8129  ax-mulrcl 8130  ax-addcom 8131  ax-mulcom 8132  ax-addass 8133  ax-mulass 8134  ax-distr 8135  ax-i2m1 8136  ax-0lt1 8137  ax-1rid 8138  ax-0id 8139  ax-rnegex 8140  ax-precex 8141  ax-cnre 8142  ax-pre-ltirr 8143  ax-pre-ltwlin 8144  ax-pre-lttrn 8145  ax-pre-apti 8146  ax-pre-ltadd 8147  ax-pre-mulgt0 8148  ax-pre-mulext 8149  ax-arch 8150  ax-caucvg 8151
This theorem depends on definitions:  df-bi 117  df-dc 842  df-3or 1005  df-3an 1006  df-tru 1400  df-fal 1403  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ne 2403  df-nel 2498  df-ral 2515  df-rex 2516  df-reu 2517  df-rmo 2518  df-rab 2519  df-v 2804  df-sbc 3032  df-csb 3128  df-dif 3202  df-un 3204  df-in 3206  df-ss 3213  df-nul 3495  df-if 3606  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-int 3929  df-iun 3972  df-br 4089  df-opab 4151  df-mpt 4152  df-tr 4188  df-id 4390  df-po 4393  df-iso 4394  df-iord 4463  df-on 4465  df-ilim 4466  df-suc 4468  df-iom 4689  df-xp 4731  df-rel 4732  df-cnv 4733  df-co 4734  df-dm 4735  df-rn 4736  df-res 4737  df-ima 4738  df-iota 5286  df-fun 5328  df-fn 5329  df-f 5330  df-f1 5331  df-fo 5332  df-f1o 5333  df-fv 5334  df-isom 5335  df-riota 5970  df-ov 6020  df-oprab 6021  df-mpo 6022  df-1st 6302  df-2nd 6303  df-recs 6470  df-frec 6556  df-sup 7182  df-inf 7183  df-pnf 8215  df-mnf 8216  df-xr 8217  df-ltxr 8218  df-le 8219  df-sub 8351  df-neg 8352  df-reap 8754  df-ap 8761  df-div 8852  df-inn 9143  df-2 9201  df-3 9202  df-4 9203  df-n0 9402  df-z 9479  df-uz 9755  df-rp 9888  df-xneg 10006  df-xadd 10007  df-seqfrec 10709  df-exp 10800  df-cj 11402  df-re 11403  df-im 11404  df-rsqrt 11558  df-abs 11559
This theorem is referenced by: (None)
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