Theorem ranrcl4lem 50113

Description: Lemma for ranrcl4 50114 and ranrcl5 50115. (Contributed by Zhi Wang, 4-Nov-2025.)

Hypothesis

Ref	Expression
ranrcl2.l	⊢ (𝜑 → 𝐿(𝐹(⟨𝐶, 𝐷⟩ Ran 𝐸)𝑋)𝐴)

Assertion

Ref	Expression
ranrcl4lem	⊢ (𝜑 → (⟨𝐷, 𝐸⟩ −∘F 𝐹) = ⟨(1st ‘(⟨𝐷, 𝐸⟩ −∘F 𝐹)), (2nd ‘(⟨𝐷, 𝐸⟩ −∘F 𝐹))⟩)

Proof of Theorem ranrcl4lem

Step	Hyp	Ref	Expression
1		ranrcl2.l	. . . 4 ⊢ (𝜑 → 𝐿(𝐹(⟨𝐶, 𝐷⟩ Ran 𝐸)𝑋)𝐴)
2	1	ranrcl2 50111	. . 3 ⊢ (𝜑 → 𝐹 ∈ (𝐶 Func 𝐷))
3		opex 5416	. . . 4 ⊢ ⟨𝐷, 𝐸⟩ ∈ V
4	3	a1i 11	. . 3 ⊢ (𝜑 → ⟨𝐷, 𝐸⟩ ∈ V)
5	2, 4	prcofelvv 49855	. 2 ⊢ (𝜑 → (⟨𝐷, 𝐸⟩ −∘F 𝐹) ∈ (V × V))
6		1st2nd2 7981	. 2 ⊢ ((⟨𝐷, 𝐸⟩ −∘F 𝐹) ∈ (V × V) → (⟨𝐷, 𝐸⟩ −∘F 𝐹) = ⟨(1st ‘(⟨𝐷, 𝐸⟩ −∘F 𝐹)), (2nd ‘(⟨𝐷, 𝐸⟩ −∘F 𝐹))⟩)
7	5, 6	syl 17	1 ⊢ (𝜑 → (⟨𝐷, 𝐸⟩ −∘F 𝐹) = ⟨(1st ‘(⟨𝐷, 𝐸⟩ −∘F 𝐹)), (2nd ‘(⟨𝐷, 𝐸⟩ −∘F 𝐹))⟩)

Syntax hints:   → wi 4   = wceq 1542   ∈ wcel 2114  Vcvv 3429  ⟨cop 4573   class class class wbr 5085   × cxp 5629  ‘cfv 6498  (class class class)co 7367  1^st c1st 7940  2^nd c2nd 7941   Func cfunc 17821   −∘_F cprcof 49848   Ran cran 50081

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 2708  ax-rep 5212  ax-sep 5231  ax-nul 5241  ax-pow 5307  ax-pr 5375  ax-un 7689

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-ral 3052  df-rex 3062  df-reu 3343  df-rab 3390  df-v 3431  df-sbc 3729  df-csb 3838  df-dif 3892  df-un 3894  df-in 3896  df-ss 3906  df-nul 4274  df-if 4467  df-pw 4543  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4851  df-iun 4935  df-br 5086  df-opab 5148  df-mpt 5167  df-id 5526  df-xp 5637  df-rel 5638  df-cnv 5639  df-co 5640  df-dm 5641  df-rn 5642  df-res 5643  df-ima 5644  df-iota 6454  df-fun 6500  df-fn 6501  df-f 6502  df-f1 6503  df-fo 6504  df-f1o 6505  df-fv 6506  df-ov 7370  df-oprab 7371  df-mpo 7372  df-1st 7942  df-2nd 7943  df-prcof 49849  df-ran 50083

This theorem is referenced by:  ranrcl4  50114  ranrcl5  50115