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Theorem truni1 10422
Description: Translation in a half-infinite interval.
Assertion
Ref Expression
truni1 |- ((A e. RR* /\ D e. RR /\ 0 < D) -> (C e. (A(,) +oo) -> (C + D) e. (A(,) +oo)))

Proof of Theorem truni1
StepHypRef Expression
1 axaddrcl 5252 . . . . . . . . 9 |- ((C e. RR /\ D e. RR) -> (C + D) e. RR)
21ex 373 . . . . . . . 8 |- (C e. RR -> (D e. RR -> (C + D) e. RR))
323ad2ant1 799 . . . . . . 7 |- ((C e. RR /\ A < C /\ C < +oo) -> (D e. RR -> (C + D) e. RR))
43com12 11 . . . . . 6 |- (D e. RR -> ((C e. RR /\ A < C /\ C < +oo) -> (C + D) e. RR))
543ad2ant2 800 . . . . 5 |- ((A e. RR* /\ D e. RR /\ 0 < D) -> ((C e. RR /\ A < C /\ C < +oo) -> (C + D) e. RR))
65imp 350 . . . 4 |- (((A e. RR* /\ D e. RR /\ 0 < D) /\ (C e. RR /\ A < C /\ C < +oo)) -> (C + D) e. RR)
7 xrlttrt 5534 . . . . 5 |- ((A e. RR* /\ C e. RR* /\ (C + D) e. RR*) -> ((A < C /\ C < (C + D)) -> A < (C + D)))
8 3simp1 787 . . . . . . 7 |- ((A e. RR* /\ D e. RR /\ 0 < D) -> A e. RR*)
98adantr 389 . . . . . 6 |- (((A e. RR* /\ D e. RR /\ 0 < D) /\ (C e. RR /\ A < C /\ C < +oo)) -> A e. RR*)
10 rexrt 5479 . . . . . . . 8 |- (C e. RR -> C e. RR*)
11103ad2ant1 799 . . . . . . 7 |- ((C e. RR /\ A < C /\ C < +oo) -> C e. RR*)
1211adantl 388 . . . . . 6 |- (((A e. RR* /\ D e. RR /\ 0 < D) /\ (C e. RR /\ A < C /\ C < +oo)) -> C e. RR*)
13 rexrt 5479 . . . . . . . . . . . 12 |- ((C + D) e. RR -> (C + D) e. RR*)
141, 13syl 10 . . . . . . . . . . 11 |- ((C e. RR /\ D e. RR) -> (C + D) e. RR*)
1514ex 373 . . . . . . . . . 10 |- (C e. RR -> (D e. RR -> (C + D) e. RR*))
16153ad2ant1 799 . . . . . . . . 9 |- ((C e. RR /\ A < C /\ C < +oo) -> (D e. RR -> (C + D) e. RR*))
1716com12 11 . . . . . . . 8 |- (D e. RR -> ((C e. RR /\ A < C /\ C < +oo) -> (C + D) e. RR*))
18173ad2ant2 800 . . . . . . 7 |- ((A e. RR* /\ D e. RR /\ 0 < D) -> ((C e. RR /\ A < C /\ C < +oo) -> (C + D) e. RR*))
1918imp 350 . . . . . 6 |- (((A e. RR* /\ D e. RR /\ 0 < D) /\ (C e. RR /\ A < C /\ C < +oo)) -> (C + D) e. RR*)
209, 12, 193jca 818 . . . . 5 |- (((A e. RR* /\ D e. RR /\ 0 < D) /\ (C e. RR /\ A < C /\ C < +oo)) -> (A e. RR* /\ C e. RR* /\ (C + D) e. RR*))
21 3simp2 788 . . . . . . 7 |- ((C e. RR /\ A < C /\ C < +oo) -> A < C)
2221adantl 388 . . . . . 6 |- (((A e. RR* /\ D e. RR /\ 0 < D) /\ (C e. RR /\ A < C /\ C < +oo)) -> A < C)
23 ltaddpos2t 5633 . . . . . . . . . . . . . . . 16 |- ((D e. RR /\ C e. RR) -> (0 < D <-> C < (D + C)))
2423biimpd 153 . . . . . . . . . . . . . . 15 |- ((D e. RR /\ C e. RR) -> (0 < D -> C < (D + C)))
2524ex 373 . . . . . . . . . . . . . 14 |- (D e. RR -> (C e. RR -> (0 < D -> C < (D + C))))
2625com23 32 . . . . . . . . . . . . 13 |- (D e. RR -> (0 < D -> (C e. RR -> C < (D + C))))
2726imp31 362 . . . . . . . . . . . 12 |- (((D e. RR /\ 0 < D) /\ C e. RR) -> C < (D + C))
28 axaddcom 5255 . . . . . . . . . . . . 13 |- ((C e. CC /\ D e. CC) -> (C + D) = (D + C))
29 recnt 5293 . . . . . . . . . . . . . 14 |- (C e. RR -> C e. CC)
3029adantl 388 . . . . . . . . . . . . 13 |- (((D e. RR /\ 0 < D) /\ C e. RR) -> C e. CC)
31 recnt 5293 . . . . . . . . . . . . . 14 |- (D e. RR -> D e. CC)
3231ad2antrr 404 . . . . . . . . . . . . 13 |- (((D e. RR /\ 0 < D) /\ C e. RR) -> D e. CC)
3328, 30, 32sylanc 471 . . . . . . . . . . . 12 |- (((D e. RR /\ 0 < D) /\ C e. RR) -> (C + D) = (D + C))
3427, 33breqtrrd 2636 . . . . . . . . . . 11 |- (((D e. RR /\ 0 < D) /\ C e. RR) -> C < (C + D))
3534expcom 374 . . . . . . . . . 10 |- (C e. RR -> ((D e. RR /\ 0 < D) -> C < (C + D)))
36353ad2ant1 799 . . . . . . . . 9 |- ((C e. RR /\ A < C /\ C < +oo) -> ((D e. RR /\ 0 < D) -> C < (C + D)))
3736com12 11 . . . . . . . 8 |- ((D e. RR /\ 0 < D) -> ((C e. RR /\ A < C /\ C < +oo) -> C < (C + D)))
38373adant1 796 . . . . . . 7 |- ((A e. RR* /\ D e. RR /\ 0 < D) -> ((C e. RR /\ A < C /\ C < +oo) -> C < (C + D)))
3938imp 350 . . . . . 6 |- (((A e. RR* /\ D e. RR /\ 0 < D) /\ (C e. RR /\ A < C /\ C < +oo)) -> C < (C + D))
4022, 39jca 288 . . . . 5 |- (((A e. RR* /\ D e. RR /\ 0 < D) /\ (C e. RR /\ A < C /\ C < +oo)) -> (A < C /\ C < (C + D)))
417, 20, 40sylc 68 . . . 4 |- (((A e. RR* /\ D e. RR /\ 0 < D) /\ (C e. RR /\ A < C /\ C < +oo)) -> A < (C + D))
42 ltpnft 5523 . . . . . . . . . 10 |- ((C + D) e. RR -> (C + D) < +oo)
431, 42syl 10 . . . . . . . . 9 |- ((C e. RR /\ D e. RR) -> (C + D) < +oo)
4443ex 373 . . . . . . . 8 |- (C e. RR -> (D e. RR -> (C + D) < +oo))
45443ad2ant1 799 . . . . . . 7 |- ((C e. RR /\ A < C /\ C < +oo) -> (D e. RR -> (C + D) < +oo))
4645com12 11 . . . . . 6 |- (D e. RR -> ((C e. RR /\ A < C /\ C < +oo) -> (C + D) < +oo))
47463ad2ant2 800 . . . . 5 |- ((A e. RR* /\ D e. RR /\ 0 < D) -> ((C e. RR /\ A < C /\ C < +oo) -> (C + D) < +oo))
4847imp 350 . . . 4 |- (((A e. RR* /\ D e. RR /\ 0 < D) /\ (C e. RR /\ A < C /\ C < +oo)) -> (C + D) < +oo)
496, 41, 483jca 818 . . 3 |- (((A e. RR* /\ D e. RR /\ 0 < D) /\ (C e. RR /\ A < C /\ C < +oo)) -> ((C + D) e. RR /\ A < (C + D) /\ (C + D) < +oo))
5049ex 373 . 2 |- ((A e. RR* /\ D e. RR /\ 0 < D) -> ((C e. RR /\ A < C /\ C < +oo) -> ((C + D) e. RR /\ A < (C + D) /\ (C + D) < +oo)))
51 pnfxr 5473 . . . 4 |- +oo e. RR*
528, 51jctir 293 . . 3 |- ((A e. RR* /\ D e. RR /\ 0 < D) -> (A e. RR* /\ +oo e. RR*))
53 elioo2t 6324 . . 3 |- ((A e. RR* /\ +oo e. RR*) -> (C e. (A(,) +oo) <-> (C e. RR /\ A < C /\ C < +oo)))
5452, 53syl 10 . 2 |- ((A e. RR* /\ D e. RR /\ 0 < D) -> (C e. (A(,) +oo) <-> (C e. RR /\ A < C /\ C < +oo)))
55 elioo2t 6324 . . 3 |- ((A e. RR* /\ +oo e. RR*) -> ((C + D) e. (A(,) +oo) <-> ((C + D) e. RR /\ A < (C + D) /\ (C + D) < +oo)))
5652, 55syl 10 . 2 |- ((A e. RR* /\ D e. RR /\ 0 < D) -> ((C + D) e. (A(,) +oo) <-> ((C + D) e. RR /\ A < (C + D) /\ (C + D) < +oo)))
5750, 54, 563imtr4d 542 1 |- ((A e. RR* /\ D e. RR /\ 0 < D) -> (C e. (A(,) +oo) -> (C + D) e. (A(,) +oo)))
Colors of variables: wff set class
Syntax hints:   -> wi 3   <-> wb 146   /\ wa 223   /\ w3a 774   = wceq 954   e. wcel 956   class class class wbr 2614  (class class class)co 3954  CCcc 5212  RRcr 5213  0cc0 5214   + caddc 5217   +oocpnf 5463  RR*cxr 5465   < clt 5466  (,)cioo 6302
This theorem was proved from axioms:  ax-1 4  ax-2 5  ax-3 6  ax-mp 7  ax-7 960  ax-gen 961  ax-8 962  ax-9 963  ax-10 964  ax-11 965  ax-12 966  ax-13 967  ax-14 968  ax-17 969  ax-4 971  ax-5o 973  ax-6o 976  ax-9o 1121  ax-10o 1138  ax-16 1208  ax-11o 1216  ax-ext 1457  ax-rep 2688  ax-sep 2698  ax-nul 2705  ax-pow 2737  ax-pr 2774  ax-un 2861  ax-inf2 4605
This theorem depends on definitions:  df-bi 147  df-or 224  df-an 225  df-3or 775  df-3an 776  df-ex 979  df-sb 1170  df-eu 1380  df-mo 1381  df-clab 1462  df-cleq 1467  df-clel 1470  df-ne 1584  df-nel 1585  df-ral 1646  df-rex 1647  df-reu 1648  df-rab 1649  df-v 1808  df-sbc 1938  df-csb 1998  df-dif 2045  df-un 2046  df-in 2047  df-ss 2049  df-pss 2051  df-nul 2277  df-if 2358  df-pw 2398  df-sn 2408  df-pr 2409  df-tp 2411  df-op 2412  df-uni 2499  df-int 2529  df-iun 2563  df-br 2615  df-opab 2662  df-tr 2676  df-eprel 2827  df-id 2830  df-po 2835  df-so 2845  df-fr 2912  df-we 2929  df-ord 2946  df-on 2947  df-lim 2948  df-suc 2949  df-om 3127  df-xp 3179  df-rel 3180  df-cnv 3181  df-co 3182  df-dm 3183  df-rn 3184  df-res 3185  df-ima 3186  df-fun 3187  df-fn 3188  df-f 3189  df-f1 3190  df-fo 3191  df-f1o 3192  df-fv 3193  df-rdg 3923  df-opr 3956  df-oprab 3957  df-1st 4069  df-2nd 4070  df-1o 4123  df-oadd 4125  df-omul 4126  df-er 4251  df-ec 4253  df-qs 4256  df-en 4357  df-dom 4358  df-sdom 4359  df-