Theorem tendoi2 37946

Description: Value of additive inverse endomorphism. (Contributed by NM, 12-Jun-2013.)

Hypotheses

Ref	Expression
tendoi.i	⊢ 𝐼 = (𝑠 ∈ 𝐸 ↦ (𝑓 ∈ 𝑇 ↦ ◡(𝑠‘𝑓)))
tendoi.t	⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊)

Assertion

Ref	Expression
tendoi2	⊢ ((𝑆 ∈ 𝐸 ∧ 𝐹 ∈ 𝑇) → ((𝐼‘𝑆)‘𝐹) = ◡(𝑆‘𝐹))

Distinct variable groups:   𝐸,𝑠   𝑓,𝑠,𝑇   𝑓,𝑊,𝑠

Allowed substitution hints:   𝑆(𝑓,𝑠)   𝐸(𝑓)   𝐹(𝑓,𝑠)   𝐼(𝑓,𝑠)   𝐾(𝑓,𝑠)

Proof of Theorem tendoi2

Dummy variable 𝑔 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		tendoi.i	. . . 4 ⊢ 𝐼 = (𝑠 ∈ 𝐸 ↦ (𝑓 ∈ 𝑇 ↦ ◡(𝑠‘𝑓)))
2		tendoi.t	. . . 4 ⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊)
3	1, 2	tendoi 37945	. . 3 ⊢ (𝑆 ∈ 𝐸 → (𝐼‘𝑆) = (𝑔 ∈ 𝑇 ↦ ◡(𝑆‘𝑔)))
4	3	adantr 483	. 2 ⊢ ((𝑆 ∈ 𝐸 ∧ 𝐹 ∈ 𝑇) → (𝐼‘𝑆) = (𝑔 ∈ 𝑇 ↦ ◡(𝑆‘𝑔)))
5		fveq2 6670	. . . 4 ⊢ (𝑔 = 𝐹 → (𝑆‘𝑔) = (𝑆‘𝐹))
6	5	cnveqd 5746	. . 3 ⊢ (𝑔 = 𝐹 → ◡(𝑆‘𝑔) = ◡(𝑆‘𝐹))
7	6	adantl 484	. 2 ⊢ (((𝑆 ∈ 𝐸 ∧ 𝐹 ∈ 𝑇) ∧ 𝑔 = 𝐹) → ◡(𝑆‘𝑔) = ◡(𝑆‘𝐹))
8		simpr 487	. 2 ⊢ ((𝑆 ∈ 𝐸 ∧ 𝐹 ∈ 𝑇) → 𝐹 ∈ 𝑇)
9		fvex 6683	. . . 4 ⊢ (𝑆‘𝐹) ∈ V
10	9	cnvex 7630	. . 3 ⊢ ◡(𝑆‘𝐹) ∈ V
11	10	a1i 11	. 2 ⊢ ((𝑆 ∈ 𝐸 ∧ 𝐹 ∈ 𝑇) → ◡(𝑆‘𝐹) ∈ V)
12	4, 7, 8, 11	fvmptd 6775	1 ⊢ ((𝑆 ∈ 𝐸 ∧ 𝐹 ∈ 𝑇) → ((𝐼‘𝑆)‘𝐹) = ◡(𝑆‘𝐹))

Syntax hints:   → wi 4   ∧ wa 398   = wceq 1537   ∈ wcel 2114  Vcvv 3494   ↦ cmpt 5146  ^◡ccnv 5554  ‘cfv 6355  LTrncltrn 37252

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2793  ax-rep 5190  ax-sep 5203  ax-nul 5210  ax-pow 5266  ax-pr 5330  ax-un 7461

This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-mo 2622  df-eu 2654  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ne 3017  df-ral 3143  df-rex 3144  df-reu 3145  df-rab 3147  df-v 3496  df-sbc 3773  df-csb 3884  df-dif 3939  df-un 3941  df-in 3943  df-ss 3952  df-nul 4292  df-if 4468  df-pw 4541  df-sn 4568  df-pr 4570  df-op 4574  df-uni 4839  df-iun 4921  df-br 5067  df-opab 5129  df-mpt 5147  df-id 5460  df-xp 5561  df-rel 5562  df-cnv 5563  df-co 5564  df-dm 5565  df-rn 5566  df-res 5567  df-ima 5568  df-iota 6314  df-fun 6357  df-fn 6358  df-f 6359  df-f1 6360  df-fo 6361  df-f1o 6362  df-fv 6363

This theorem is referenced by:  tendoicl  37947  tendoipl  37948  dihjatcclem4  38572