MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  neg0s Structured version   Visualization version   GIF version

Theorem neg0s 28034
Description: Negative surreal zero is surreal zero. (Contributed by Scott Fenton, 20-Aug-2024.)
Assertion
Ref Expression
neg0s ( -us ‘ 0s ) = 0s

Proof of Theorem neg0s
StepHypRef Expression
1 right0s 27902 . . . . 5 ( R ‘ 0s ) = ∅
21imaeq2i 6025 . . . 4 ( -us “ ( R ‘ 0s )) = ( -us “ ∅)
3 ima0 6044 . . . 4 ( -us “ ∅) = ∅
42, 3eqtri 2760 . . 3 ( -us “ ( R ‘ 0s )) = ∅
5 left0s 27901 . . . . 5 ( L ‘ 0s ) = ∅
65imaeq2i 6025 . . . 4 ( -us “ ( L ‘ 0s )) = ( -us “ ∅)
76, 3eqtri 2760 . . 3 ( -us “ ( L ‘ 0s )) = ∅
84, 7oveq12i 7380 . 2 (( -us “ ( R ‘ 0s )) |s ( -us “ ( L ‘ 0s ))) = (∅ |s ∅)
9 0no 27817 . . 3 0s No
10 negsval 28033 . . 3 ( 0s No → ( -us ‘ 0s ) = (( -us “ ( R ‘ 0s )) |s ( -us “ ( L ‘ 0s ))))
119, 10ax-mp 5 . 2 ( -us ‘ 0s ) = (( -us “ ( R ‘ 0s )) |s ( -us “ ( L ‘ 0s )))
12 df-0s 27815 . 2 0s = (∅ |s ∅)
138, 11, 123eqtr4i 2770 1 ( -us ‘ 0s ) = 0s
Colors of variables: wff setvar class
Syntax hints:   = wceq 1542  wcel 2114  c0 4287  cima 5635  cfv 6500  (class class class)co 7368   No csur 27619   |s ccuts 27767   0s c0s 27813   L cleft 27833   R cright 27834   -us cnegs 28027
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-rep 5226  ax-sep 5243  ax-nul 5253  ax-pow 5312  ax-pr 5379  ax-un 7690
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3063  df-rmo 3352  df-reu 3353  df-rab 3402  df-v 3444  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-pss 3923  df-nul 4288  df-if 4482  df-pw 4558  df-sn 4583  df-pr 4585  df-tp 4587  df-op 4589  df-uni 4866  df-int 4905  df-iun 4950  df-br 5101  df-opab 5163  df-mpt 5182  df-tr 5208  df-id 5527  df-eprel 5532  df-po 5540  df-so 5541  df-fr 5585  df-se 5586  df-we 5587  df-xp 5638  df-rel 5639  df-cnv 5640  df-co 5641  df-dm 5642  df-rn 5643  df-res 5644  df-ima 5645  df-pred 6267  df-ord 6328  df-on 6329  df-suc 6331  df-iota 6456  df-fun 6502  df-fn 6503  df-f 6504  df-f1 6505  df-fo 6506  df-f1o 6507  df-fv 6508  df-riota 7325  df-ov 7371  df-oprab 7372  df-mpo 7373  df-2nd 7944  df-frecs 8233  df-wrecs 8264  df-recs 8313  df-1o 8407  df-2o 8408  df-no 27622  df-lts 27623  df-bday 27624  df-slts 27766  df-cuts 27768  df-0s 27815  df-made 27835  df-old 27836  df-left 27838  df-right 27839  df-norec 27946  df-negs 28029
This theorem is referenced by:  neg1s  28035  lt0negs2d  28059  subsfo  28073  subsid1  28076  ltmulnegs1d  28184  mulscan2d  28187  recsex  28227  abssnid  28251  absmuls  28252  abssge0  28253  absnegs  28255  leabss  28256  elzs2  28407  elnnzs  28409  elznns  28410  z12bday  28493  bdayfin  28495  recut  28502
  Copyright terms: Public domain W3C validator