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Theorem pjhfval 22898
 Description: The value of the projection map. (Contributed by NM, 23-Oct-1999.) (Revised by Mario Carneiro, 15-Dec-2013.) (New usage is discouraged.)
Assertion
Ref Expression
pjhfval
Distinct variable group:   ,,,

Proof of Theorem pjhfval
Dummy variable is distinct from all other variables.
StepHypRef Expression
1 id 20 . . . 4
2 fveq2 5728 . . . . 5
32rexeqdv 2911 . . . 4
41, 3riotaeqbidv 6552 . . 3
54mpteq2dv 4296 . 2
6 df-pjh 22897 . 2
7 ax-hilex 22502 . . 3
87mptex 5966 . 2
95, 6, 8fvmpt 5806 1
 Colors of variables: wff set class Syntax hints:   wi 4   wceq 1652   wcel 1725  wrex 2706   cmpt 4266  cfv 5454  (class class class)co 6081  crio 6542  chil 22422   cva 22423  cch 22432  cort 22433   cpjh 22440 This theorem is referenced by:  pjhval  22899  pjfni  23203 This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1555  ax-5 1566  ax-17 1626  ax-9 1666  ax-8 1687  ax-14 1729  ax-6 1744  ax-7 1749  ax-11 1761  ax-12 1950  ax-ext 2417  ax-rep 4320  ax-sep 4330  ax-nul 4338  ax-pr 4403  ax-hilex 22502 This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3an 938  df-tru 1328  df-ex 1551  df-nf 1554  df-sb 1659  df-eu 2285  df-mo 2286  df-clab 2423  df-cleq 2429  df-clel 2432  df-nfc 2561  df-ne 2601  df-ral 2710  df-rex 2711  df-reu 2712  df-rab 2714  df-v 2958  df-sbc 3162  df-csb 3252  df-dif 3323  df-un 3325  df-in 3327  df-ss 3334  df-nul 3629  df-if 3740  df-sn 3820  df-pr 3821  df-op 3823  df-uni 4016  df-iun 4095  df-br 4213  df-opab 4267  df-mpt 4268  df-id 4498  df-xp 4884  df-rel 4885  df-cnv 4886  df-co 4887  df-dm 4888  df-rn 4889  df-res 4890  df-ima 4891  df-iota 5418  df-fun 5456  df-fn 5457  df-f 5458  df-f1 5459  df-fo 5460  df-f1o 5461  df-fv 5462  df-riota 6549  df-pjh 22897
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